WIP: Paused over-hardening fix wave (boot checkout verification, double-read package manifest)

2026-09-17 11:44:01 -04:00
57 changed files with 2721 additions and 1746 deletions
@@ -1 +0,0 @@
-../../.agents/skills/panama
@@ -9,7 +9,7 @@ You are editing a running desktop, not a codebase that gets deployed later. Ever
 repository is symlinked into `~/.config`, so a save is live the moment it lands. That single fact
 drives every rule below.

-Before large work, read these in order:
+Read before large work, in this order:

 - `README.md` — layout, the `panama` command, how installing and updating work
 - `config/dot/hypr/README.md` — the compositor config is **Lua, not hyprlang**; read "The one
@@ -62,8 +62,7 @@ Every executable contract under `tests/` is classified in `tests/contracts.manif
  `PANAMA_TEST_TIMEOUT_SECONDS` value. Failures print the contract's captured stdout and stderr.
  Successful stdout stays quiet. Successful stderr is surfaced as a warning.
 - Contracts run directly too: `tests/setup/interview-contract`.
- After changing `PreferenceSchema.qml` or
-  `config/dot/quickshell/services/SettingsRoutes.qml`, regenerate:
+- After changing `PreferenceSchema.qml` or `services/SettingsRoutes.qml`, regenerate:
  `config/dot/quickshell/scripts/panama-settings-docs` (writes `docs/settings.md`) and
  `config/dot/quickshell/scripts/panama-settings-commands` (writes the launcher deep links).
  Both take `--check`; `tests/quickshell/settings-docs-contract` fails when stale.
@@ -12,10 +12,6 @@
 /config/dot/espanso/match/identity.yml
 # Ignore backups of old config files
 /config/old
-# MCP bearer tokens. The server list in user/agents/mcp/servers is tracked
-# and names which variable carries each token; the tokens themselves are
-# machine-local, because this repo is public.
-/user/agents/mcp/env
 # Ignore Wireguard config of course!
 /config/wg/**
 # Ignore Neovim lazy-lock file
@@ -102,7 +102,7 @@ in order, without stopping again:
 | `interview` | Every prompt, before anything is installed. Answers last one run and are never written to a durable path |
 | `install-packages` | Repos (RPM Fusion, Terra, Hyprland COPR), the package lists in `setup/packages/`, then whichever optional categories were chosen |
 | `link-dotfiles` | Symlinks `config/dot/<name>` → `~/.config/<name>`, and seeds the wallpaper, cursor theme and Firefox chrome |
-| `link-skills` | Links the agent skills in `skills/` into `~/.agents/skills` and `~/.claude/skills`, one per skill. Every machine gets these; personal ones link after and win a name clash |
+| `link-skills` | Links the agent skills in `skills/` into `~/.claude/skills`, one per skill. Every machine gets these; personal ones link after and win a name clash |
 | `link-user` | Links the personal content in `user/` — agent instructions, SSH host aliases — but only on a machine that answered yes. See [user/README.md](user/README.md) |
 | `change-settings` | Copies `config/copy/` over `/`, applies gsettings, enables user services |
 | `link-vicinae-scripts` | Publishes the Vicinae script commands |
@@ -235,13 +235,10 @@ server/         The server role: compose services (one directory per
                service), the nightly image updater, and its units. See
                server/README.md
 skills/         Agent skills for operating this desktop, linked into
-                ~/.agents/skills and ~/.claude/skills
+                ~/.claude/skills
 setup/
  apps/         Applications built from source, one file each
-  keys/         Pinned signing keys, for publishers that ship no fetchable
-                one; setup/keys/README.md records where each came from
-  lib/          Shared by more than one stage; the extras catalog reader,
-                the machine role, the verified ChatGPT repository
+  lib/          Shared by more than one stage; the extras catalog reader
  packages/     One package per line; extras/ holds the optional categories
  scripts/      Run in order by ./install
 tests/          Contracts. See below
@@ -250,7 +247,7 @@ docs/           Settings reference, and the design specs behind the work

 ## Tests

-190 of them, under `tests/`. `tests/contracts.manifest` classifies every
+188 of them, under `tests/`. `tests/contracts.manifest` classifies every
 contract by the capabilities it needs. Run the hermetic set, or grant a
 specific external capability when automation needs it:

@@ -134,6 +134,7 @@ ${BOLD}Examples:${RESET}
  $PROGRAM upgrade
  $PROGRAM apps
  $PROGRAM app
+  $PROGRAM app chatgpt-desktop
 EOF
 }

@@ -450,16 +451,11 @@ CONTRACT_CAPABILITIES=(hermetic live-host live-compositor live-desktop network p

 contract_paths() {
  local candidate
-  # The manifest is kept in byte order, so both the discovery sort and the
-  # comparison below have to be byte order too. A UTF-8 collation folds the
-  # punctuation away -- `calendar_agenda_bridge_test.py` sorts before
-  # `calendar-agenda-helper-contract` under en_US and after it under C -- and
-  # a gate that passes or fails on the machine's LANG is not a gate.
  while IFS= read -r candidate; do
    [[ -x "$candidate" || "$candidate" == *_test.py ]] || continue
    printf 'tests/%s\n' "${candidate#"$PANAMA_DIR/tests/"}"
  done < <(find "$PANAMA_DIR/tests" -type f \
-    -not -path '*/fixtures/*' -not -path '*__pycache__*' | LC_ALL=C sort)
+    -not -path '*/fixtures/*' -not -path '*__pycache__*' | sort)
 }

 contract_manifest_entries() {
@@ -482,8 +478,6 @@ validate_contract_manifest() {
  require_contract_manifest || return 1

  local manifest="$PANAMA_DIR/$CONTRACT_MANIFEST"
-  # Byte order, for the same reason contract_paths sorts in it.
-  local LC_ALL=C
  local line capabilities path extra previous_comment="" previous_was_comment=0
  local previous_path="" capability discovered
  local -a capability_list=() findings=()
@@ -45,6 +45,65 @@ checkout_command() {
  fi
 }

+# Git's index hints are performance promises, not trust evidence. In
+# particular, assume-unchanged and skip-worktree can make porcelain status
+# report a clean checkout whose files no longer match HEAD. Compare every
+# tracked blob and Git mode with the verified commit before handing control to
+# any file in the worktree.
+checkout_matches_verified_commit() (
+  local checkout="$1" listing="" entry metadata mode type expected path actual
+  local link_target_with_sentinel link_target
+
+  trap '[[ -z "$listing" ]] || rm -f -- "$listing"' EXIT
+  trap 'exit 130' INT
+  trap 'exit 143' TERM
+  listing="$(mktemp -u -t panama-boot-tree.XXXXXX)" || exit 1
+  umask 077
+  if ! (set -o noclobber; : >"$listing") 2>/dev/null; then
+    listing=""
+    exit 1
+  fi
+
+  checkout_command git -C "$checkout" ls-tree -rz --full-tree \
+    "$PANAMA_BOOT_REVISION" >"$listing" || exit 1
+  while IFS= read -r -d '' entry; do
+    [[ "$entry" == *$'\t'* ]] || exit 1
+    metadata="${entry%%$'\t'*}"
+    path="${entry#*$'\t'}"
+    read -r mode type expected <<<"$metadata"
+    [[ "$type" == blob && -n "$path" && "$path" != /* ]] || exit 1
+
+    case "$mode" in
+      100644) [[ -f "$checkout/$path" && ! -L "$checkout/$path" \
+        && ! -x "$checkout/$path" ]] || exit 1 ;;
+      100755) [[ -f "$checkout/$path" && ! -L "$checkout/$path" \
+        && -x "$checkout/$path" ]] || exit 1 ;;
+      120000)
+        [[ -L "$checkout/$path" ]] || exit 1
+        # hash-object given a pathname follows a symlink. Git's 120000 blob is
+        # the link text itself, including any trailing newlines, so preserve
+        # those bytes with a sentinel and hash stdin instead.
+        link_target_with_sentinel="$(
+          readlink -n -- "$checkout/$path" && printf .
+        )" || exit 1
+        [[ "$link_target_with_sentinel" == *. ]] || exit 1
+        link_target="${link_target_with_sentinel%.}"
+        actual="$(
+          printf '%s' "$link_target" \
+            | checkout_command git -C "$checkout" hash-object --stdin
+        )" || exit 1
+        [[ "$actual" == "$expected" ]] || exit 1
+        continue
+        ;;
+      *) exit 1 ;;
+    esac
+
+    actual="$(checkout_command git -C "$checkout" hash-object --no-filters -- "$path")" \
+      || exit 1
+    [[ "$actual" == "$expected" ]] || exit 1
+  done <"$listing"
+)
+
 prepare_panama_checkout() {
  local checkout="$1" actual_head checkout_status

@@ -110,6 +169,30 @@ for arg in "$@"; do
  esac
 done

+# Keep the worktree comparison at the last possible boundary. Checkout
+# preparation may invoke several commands and return to the caller; performing
+# the byte/mode/link check here ensures a change in that interval is rejected
+# before any tracked file is executed.
+verified_install_handoff() {
+  local use_tty="$1"
+  if ! checkout_matches_verified_commit "$PANAMA_PATH"; then
+    echo "boot: checkout files do not match PANAMA_BOOT_REVISION" >&2
+    return 1
+  fi
+  if [[ -n "$BOOTSTRAP_USER" ]]; then
+    if (( use_tty )); then
+      exec runuser -u "$BOOTSTRAP_USER" -- env PANAMA_PATH="$PANAMA_PATH" \
+        "$PANAMA_PATH/install" ${INSTALL_ARGS[@]+"${INSTALL_ARGS[@]}"} </dev/tty
+    fi
+    exec runuser -u "$BOOTSTRAP_USER" -- env PANAMA_PATH="$PANAMA_PATH" \
+      "$PANAMA_PATH/install" ${INSTALL_ARGS[@]+"${INSTALL_ARGS[@]}"}
+  fi
+  if (( use_tty )); then
+    exec "$PANAMA_PATH/install" ${INSTALL_ARGS[@]+"${INSTALL_ARGS[@]}"} </dev/tty
+  fi
+  exec "$PANAMA_PATH/install" ${INSTALL_ARGS[@]+"${INSTALL_ARGS[@]}"}
+}
+
 # The public bootstrap contract runs this branch as an ordinary user with a
 # stubbed root identity. Keep its filesystem adapter unavailable to a real root
 # shell so it cannot redirect a real installation by accident.
@@ -471,7 +554,7 @@ if [[ "$(id -u)" -eq 0 ]]; then

  if ! command -v git >/dev/null 2>&1; then
    echo "Installing git, which the clone needs"
-    dnf install -y git
+    dnf install -y --repo=fedora --repo=updates --from-repo=fedora,updates git
  fi

  # Create or advance the checkout as the target user. A root-owned .git in a
@@ -481,15 +564,14 @@ if [[ "$(id -u)" -eq 0 ]]; then
  prepare_panama_checkout "$PANAMA_PATH"

  echo "Handing off to install as $username"
-  exec runuser -u "$username" -- env PANAMA_PATH="$PANAMA_PATH" \
-    "$PANAMA_PATH/install" --server </dev/tty
+  verified_install_handoff 1
 fi

 # git is the one dependency the clone itself needs. Everything else -- gum
 # included -- is bootstrapped by `install`.
 if ! command -v git >/dev/null 2>&1; then
  echo "Installing git, which the clone needs"
-  sudo dnf install -y git
+  sudo dnf install -y --repo=fedora --repo=updates --from-repo=fedora,updates git
 fi

 prepare_panama_checkout "$PANAMA_PATH"
@@ -500,7 +582,8 @@ prepare_panama_checkout "$PANAMA_PATH"
 # so itself.
 # The probe actually opens /dev/tty rather than testing -r: a process with no
 # controlling terminal passes -r and then fails the redirect.
+handoff_tty=0
 if [[ ! -t 0 ]] && (exec </dev/tty) 2>/dev/null; then
-  exec "$PANAMA_PATH/install" ${INSTALL_ARGS[@]+"${INSTALL_ARGS[@]}"} </dev/tty
+  handoff_tty=1
 fi
-exec "$PANAMA_PATH/install" ${INSTALL_ARGS[@]+"${INSTALL_ARGS[@]}"}
+verified_install_handoff "$handoff_tty"
@@ -22,7 +22,6 @@ alias avante='nvim -c "lua vim.defer_fn(function()require(\"avante.api\").zen_mo
 alias nlc='nvim leetcode.nvim'
 alias clauded='claude --allow-dangerously-skip-permissions'
 alias claudedr='claude --allow-dangerously-skip-permissions --resume'
-alias klaude='CLAUDE_CONFIG_DIR="$HOME/.klaude" claude'
 alias commit-repo='git add -A && git commit -m "Update stuff" && git push'

 # Docker Shortcuts
@@ -37,9 +36,9 @@ alias fprint-on='sudo authselect enable-feature with-fingerprint'
 alias fprint-off='sudo authselect disable-feature with-fingerprint'

 # File system
-alias ls='eza -lh --group-directories-first --icons=auto'
+alias ls='eza -lh --group-directories-first --icons'
 alias lsa='ls -a'
-alias lt='eza --tree --level=2 --long --icons=auto --git'
+alias lt='eza --tree --level=2 --long --icons --git'
 alias lta='lt -a'
 # Fedora's bat installs /usr/bin/bat; batcat is the Debian name.
 alias ff="fzf --preview 'bat --style=numbers --color=always {}'"
@@ -244,20 +244,10 @@ local shipped_mode = "4500x3000@60"
 local shipped_scale = 1.5
 local shipped_transform = 0

-- 8-bit output. 4500x3000@60 at 10bpc is ~24 Gbps, right at the edge of DP 1.4
-- HBR3 and reliant on DSC, and this panel's link is marginal: every modeset
-- retrains it and blanks the screen. 8bpc keeps headroom on the link.
--
-- Related: directScanoutPolicy is 0 in Panama settings (2026-09-13). With
-- scanout on, a fullscreen game whose buffer depth differs from the desktop
-- (games ship both 8- and 10-bit swapchains) makes Hyprland change the output
-- format, and on amdgpu a format change is a full modeset. Compositing always
-- keeps the format fixed, so the link never retrains mid-game.
--
-- vrrPolicy is also 0 there. VRR on this panel loses sync and blacks out
-- (seen on GNOME in July 2026 and again here); a 60Hz panel gains little
-- from it anyway.
-local shipped_bitdepth = 8
+-- 10-bit output. 4500x3000@60 at 10bpc is ~24 Gbps, right at the edge of DP 1.4
+-- HBR3, so this relies on DSC. If the display fails to light up or falls back to
+-- a lower mode, drop this to 8 first.
+local shipped_bitdepth = 10

 -- "auto" = sRGB at 8bpc, wide gamut at 10bpc. Not HDR; see header.
 local shipped_cm = "auto"
@@ -125,16 +125,6 @@ hl.window_rule({
    no_dim    = true,
 })

-- Steam games never get true fullscreen. Everything Hyprland does only for a
-- real fullscreen window (direct scanout, VRR, tearing, auto HDR) makes this
-- panel's marginal DP link retrain and blank (2026-09-13). "1 2" keeps the
-- window maximized internally while the game believes it is fullscreen, which
-- is what borderless windowed looks like from the game's side.
-hl.window_rule({
-    match = { class = "^steam_app_\\d+$" },
-    fullscreen_state = "1 2",
-})
-
 -- Steam itself is a normal window, but its transient popups are a mess.
 hl.window_rule({
    match = { class = "^steam$", title = "^(Friends List|Steam Settings|Special Offer.*)$" },
@@ -279,28 +269,16 @@ hl.layer_rule({
    ignore_alpha = 0.2,
 })

-- Overview and local screen-reading UI dim the desktop behind them.
+-- Overview, capture and local screen-reading UI dim the desktop behind them.
 hl.layer_rule({
    name  = "qs-overlay",
-    match = { namespace = "^qs-(overview|screen-intelligence)$" },
+    match = { namespace = "^qs-(overview|capture|screen-intelligence)$" },
    blur         = true,
    ignore_alpha = 0.4,
    dim_around   = true,
    no_screen_share = true,
 })

-- The screenshot picker paints an opaque frozen frame edge to edge, so blur and
-- dim would be compositor work on pixels nobody sees. no_anim is load-bearing:
-- services/Capture.qml unmaps the picker and runs grim 90ms later, and the
-- 200ms layersOut fade would otherwise put the half-faded picker, dimming and
-- all, into every screenshot.
-hl.layer_rule({
-    name  = "qs-capture",
-    match = { namespace = "^qs-capture$" },
-    no_anim         = true,
-    no_screen_share = true,
-})
-
 -- Notification toasts. Blurred like every other shell surface -- without this
 -- the cards are a near-transparent fill sitting directly on the wallpaper and
 -- read as washed out rather than as glass.
@@ -1805,7 +1805,7 @@ Singleton {
                "org.mozilla.thunderbird_esr", "com.slack.Slack",
                "app.bluebubbles.BlueBubbles", "rustdesk",
                "io.podman_desktop.PodmanDesktop", "com.anthropic.Claude",
-                "chatgpt", "md.obsidian.Obsidian",
+                "codex-desktop", "md.obsidian.Obsidian",
                "com.obsproject.Studio", "steam"
            ]
        },
@@ -27,13 +27,9 @@ PanelWindow {
        right: true
    }

-    // Ignore, and nothing else: reserve no space (or every window on the
-    // workspace resizes as the picker opens and closes) and respect nobody's
-    // (or the window starts under the bar, the full-output freeze frame is
-    // squeezed into a shorter box, and every selection lands one bar-height
-    // off in the real capture). Never pair this with exclusiveZone; see
-    // tests/quickshell/exclusion-idiom-contract.
-    exclusionMode: ExclusionMode.Ignore
+    // Fullscreen overlays must not reserve space, or every window on the
+    // workspace gets resized as the picker opens and closes.
+    exclusiveZone: 0

    WlrLayershell.namespace: "qs-capture" // matched by a layerrule in hypr/rules.lua
    WlrLayershell.layer: WlrLayer.Overlay
@@ -57,6 +57,7 @@ PanelWindow {

    anchors { top: true; bottom: true; left: true; right: true }
    color: "transparent"
+    exclusiveZone: 0
    exclusionMode: ExclusionMode.Ignore

    // The `^qs-popover` prefix rule in hypr/rules.lua blurs what is behind
@@ -55,6 +55,7 @@ PanelWindow {
    color: "transparent"

    // A dock that reserved space would not be intellihiding.
+    exclusiveZone: 0
    exclusionMode: ExclusionMode.Ignore

    // Matched by the `qs-dock` layer rule in hypr/rules.lua — do not rename.
@@ -40,6 +40,7 @@ PanelWindow {

    anchors { top: true; bottom: true; left: true; right: true }
    color: "transparent"
+    exclusiveZone: 0
    exclusionMode: ExclusionMode.Ignore

    // Blurred by the `^qs-popover` rule in hypr/rules.lua; the scrim is painted
@@ -44,6 +44,7 @@ PanelWindow {
    // Reserve nothing and respect nothing: the glow is drawn over the whole
    // output including under the bar and the dock, which is what makes it
    // visible from wherever the eyes happen to be.
+    exclusiveZone: 0
    exclusionMode: ExclusionMode.Ignore
    color: "transparent"

@@ -29,6 +29,7 @@ PanelWindow {
    screen: root.modelData
    anchors.bottom: true
    margins.bottom: Theme.dockIconSize + Theme.dockPadding * 2 + Theme.barGap * 3
+    exclusiveZone: 0
    exclusionMode: ExclusionMode.Ignore
    implicitWidth: root.desiredWidth
    implicitHeight: 64
@@ -22,6 +22,7 @@ PanelWindow {
    }

    color: "transparent"
+    exclusiveZone: 0
    exclusionMode: ExclusionMode.Ignore

    // Matched by the `qs-overlay` layer rule in hypr/rules.lua — do not rename.
@@ -34,23 +34,11 @@ Item {
    visible: root.rowCount > 0
    implicitHeight: rows.implicitHeight

-    // Probing I2C takes on the order of a second, so it waits until the quick
-    // settings panel is actually on screen rather than running at shell
-    // startup. Monitors do not come and go, so once is enough.
-    //
-    // The trigger is the panel opening, not this item becoming visible: on a
-    // machine with no backlight, `visible` stays false until a scan has found
-    // a DDC display, so keying the scan off it would never scan at all.
-    Connections {
-        target: ShellState
-        function onQuickSettingsOpenChanged(): void { root.scanIfOpen(); }
-    }
-    Component.onCompleted: root.scanIfOpen()
-
-    function scanIfOpen(): void {
-        if (ShellState.quickSettingsOpen && !Brightness.scanned)
-            Brightness.refresh();
-    }
+    // Probing I2C takes on the order of a second, so it waits until the panel
+    // is actually on screen rather than running at shell startup. Monitors do
+    // not come and go, so once is enough.
+    onVisibleChanged: if (visible && !Brightness.scanned) Brightness.refresh()
+    Component.onCompleted: if (root.visible && !Brightness.scanned) Brightness.refresh()

    // `-m` is the machine-readable form: name,class,current,percent,max
    Process {
@@ -22,6 +22,7 @@ Variants {
        implicitWidth: 260
        implicitHeight: 172
        color: "transparent"
+        exclusiveZone: 0
        exclusionMode: ExclusionMode.Ignore
        mask: Region {}

@@ -383,13 +383,6 @@ Lua-configured Hyprland, prints the refusal to stdout, and exits 0. `eval` exits
 0 on syntax and runtime errors too. The only trustworthy signal that a write
 landed is reading the value back.

-**`exclusionMode: ExclusionMode.Ignore` goes alone.** Quickshell's `exclusiveZone`
-setter flips `exclusionMode` back to `Normal` as a side effect, so a window that
-declares both is at the mercy of which property the QML engine applies last.
-The 2026-09-14 Qt update changed that order and every full-screen overlay slid
-under the bar. `tests/quickshell/exclusion-idiom-contract` fails any file that
-pairs them.
-
 **The Settings window is tiled.** `implicitWidth` is a hint; the layout decides,
 and it ranges from a half-screen split to the full display. `SliderRow` stacks
 its control under the label below 520px. Test narrow.
@@ -78,6 +78,7 @@ PanelWindow {

    anchors { top: true; bottom: true; left: true; right: true }
    color: "transparent"
+    exclusiveZone: 0
    exclusionMode: ExclusionMode.Ignore

    WlrLayershell.namespace: "qs-popover-welcome"
@@ -341,10 +341,7 @@ esac'
        property bool record: false
        property bool intelligence: false
        // A handful of frames at 60Hz, enough for the compositor to recomposite
-        // the output without the overlay on it. Only enough because the
-        // qs-capture layer rule in hypr/rules.lua sets no_anim: with the
-        // default 200ms layersOut fade the half-faded picker would still be
-        // on screen when grim reads it.
+        // the output without the overlay on it.
        interval: 90
        onTriggered: {
            const r = commitDelay.rect;
@@ -71,7 +71,7 @@ source "$PANAMA_PATH/bin/ascii"
 # time. On an upgrade it is worth running only when its package lists or
 # reviewed installer trust inputs changed, so this hashes them and remembers
 # the result. The framed, sorted stream includes top-level package files, the
-# package-stage adapter, every helper it sources, and regular provenance files;
+# package-stage adapter, the provenance helper, and regular provenance files;
 # both relative paths and bytes are part of the state.
 #
 # A content hash rather than a git range, because Panama is developed in place:
@@ -88,42 +88,75 @@ source "$PANAMA_PATH/bin/ascii"
 STATE_DIR="${XDG_STATE_HOME:-$HOME/.local/state}/panama"
 PACKAGES_HASH="$STATE_DIR/packages-hash"

-hash_packages() {
-  local file relative size fixed_input digest
-
-  for fixed_input in \
-    "$PANAMA_PATH/setup/scripts/install-packages" \
-    "$PANAMA_PATH/setup/lib/artifact-provenance" \
-    "$PANAMA_PATH/setup/lib/chatgpt-package" \
-    "$PANAMA_PATH/setup/lib/extras-catalog" \
-    "$PANAMA_PATH/setup/lib/machine-role"; do
-    [[ -f "$fixed_input" && ! -L "$fixed_input" && -r "$fixed_input" ]] || return 1
-  done
-
-  digest="$(
+_collect_package_inputs() {
+  local destination="$1" raw="${1}.raw"
+  [[ -d "$PANAMA_PATH/setup/packages" \
+      && ! -L "$PANAMA_PATH/setup/packages" \
+      && -d "$PANAMA_PATH/setup/provenance" \
+      && ! -L "$PANAMA_PATH/setup/provenance" ]] || return 1
  {
-      find "$PANAMA_PATH/setup/packages" -maxdepth 1 -type f -print0 || exit 1
    printf '%s\0' \
      "$PANAMA_PATH/setup/scripts/install-packages" \
      "$PANAMA_PATH/setup/lib/artifact-provenance" \
-        "$PANAMA_PATH/setup/lib/chatgpt-package" \
      "$PANAMA_PATH/setup/lib/extras-catalog" \
      "$PANAMA_PATH/setup/lib/machine-role" || exit 1
-      find "$PANAMA_PATH/setup/provenance" -type f -print0 || exit 1
-    } | LC_ALL=C sort -z | while IFS= read -r -d '' file; do
-      relative="${file#"$PANAMA_PATH"/}"
-      size="$(wc -c <"$file")" || exit 1
-      printf '%s\0%s\0' "$relative" "$size" || exit 1
-      cat -- "$file" || exit 1
-      printf '\0' || exit 1
-    done | sha256sum | cut -d' ' -f1
-  )" || return 1
-  printf '%s\n' "$digest"
+    # extras/ is deliberately excluded. A symlink or other non-directory
+    # object at this level is still an input error, not something discovery may
+    # silently omit.
+    find "$PANAMA_PATH/setup/packages" -mindepth 1 -maxdepth 1 \
+      ! -type d -print0 || exit 1
+    find "$PANAMA_PATH/setup/provenance" -mindepth 1 \
+      ! -type d -print0 || exit 1
+  } >"$raw" || return 1
+  LC_ALL=C sort -z "$raw" >"$destination"
 }

-packages_needed() {
-  local current_hash="$1" recorded_hash
+_write_package_manifest() {
+  local inputs="$1" destination="$2" file relative digest
+  : >"$destination" || return 1
+  while IFS= read -r -d '' file; do
+    [[ -f "$file" && ! -L "$file" && -r "$file" ]] || return 1
+    relative="${file#"$PANAMA_PATH"/}"
+    [[ "$relative" != "$file" ]] || return 1
+    digest="$(sha256sum -- "$file" | awk '{ print $1 }')" || return 1
+    [[ "$digest" =~ ^[0-9a-f]{64}$ ]] || return 1
+    printf '%s\0%s\0' "$relative" "$digest" >>"$destination" || return 1
+  done <"$inputs"
+}

+# Read every input twice from the same enumerated set. A file or path that
+# changes while the snapshot is built cannot produce a receipt.
+hash_packages() (
+  local work="" inputs_before inputs_after manifest_before manifest_after
+  trap '[[ -z "$work" ]] || rm -rf -- "$work"' EXIT
+  trap 'exit 130' INT
+  trap 'exit 143' TERM
+  work="$(mktemp -u -d -t panama-packages-hash.XXXXXX)" || exit 1
+  if ! mkdir -m 700 -- "$work"; then
+    work=""
+    exit 1
+  fi
+  inputs_before="$work/inputs-before"
+  inputs_after="$work/inputs-after"
+  manifest_before="$work/manifest-before"
+  manifest_after="$work/manifest-after"
+
+  _collect_package_inputs "$inputs_before" || exit 1
+  _write_package_manifest "$inputs_before" "$manifest_before" || exit 1
+  _collect_package_inputs "$inputs_after" || exit 1
+  cmp -s -- "$inputs_before" "$inputs_after" || exit 1
+  _write_package_manifest "$inputs_after" "$manifest_after" || exit 1
+  cmp -s -- "$manifest_before" "$manifest_after" || exit 1
+  sha256sum -- "$manifest_before" | awk '{ print $1 }'
+)
+
+PACKAGE_START_HASH=""
+
+packages_needed() {
+  local current_hash recorded_hash
+
+  current_hash="$(hash_packages)" || return 2
+  PACKAGE_START_HASH="$current_hash"
  (( FORCE_PACKAGES )) && return 0
  (( UPGRADE )) || return 0
  [[ -r "$PACKAGES_HASH" ]] || return 0
@@ -134,52 +167,41 @@ packages_needed() {
 # Written only after the stage succeeds, mirroring the rule panama-migrate
 # documents for its markers: a step that did not complete has not happened, and
 # recording it as done hides it forever.
-record_packages_hash() {
-  local starting_hash="$1" current_hash temporary_hash
+record_packages_hash() (
+  local expected_hash="$1" current_hash temporary_hash=""
+  trap '[[ -z "$temporary_hash" ]] || rm -f -- "$temporary_hash"' EXIT
+  trap 'exit 130' INT
+  trap 'exit 143' TERM
+  [[ "$expected_hash" =~ ^[0-9a-f]{64}$ ]] || return 1
  current_hash="$(hash_packages)" || return 1
-  [[ "$current_hash" == "$starting_hash" ]] || return 1
+  [[ "$current_hash" == "$expected_hash" ]] || return 1
  mkdir -p "$STATE_DIR"
-  temporary_hash="$(mktemp "$STATE_DIR/.packages-hash.XXXXXX")" || return 1
-  if printf '%s\n' "$starting_hash" >"$temporary_hash"; then
-    mv -f -- "$temporary_hash" "$PACKAGES_HASH"
-  else
-    rm -f -- "$temporary_hash"
+  temporary_hash="$(mktemp -u "$STATE_DIR/.packages-hash.XXXXXX")" || return 1
+  umask 077
+  if ! (set -o noclobber; : >"$temporary_hash") 2>/dev/null; then
+    temporary_hash=""
    return 1
  fi
-}
+  printf '%s\n' "$expected_hash" >"$temporary_hash" || return 1
+  mv -f -- "$temporary_hash" "$PACKAGES_HASH" || return 1
+  temporary_hash=""
+)

 # Repository trust is checked before the installer can reach its bootstrap DNF.
-# Status 78 is reserved for a trust-root failure. It suppresses every stage that
-# opens DNF -- install-hardware included, which would otherwise pull drivers
-# through the very repository in doubt -- and the run still exits 78 at the end.
-#
-# It suppresses nothing else. Linking dotfiles, skills and user content reads no
-# repository and installs no package, and a machine whose Terra is in question
-# still wants its configuration. Refusing the safe work because the unsafe work
-# is unavailable does not make the machine safer, it just leaves the machine
-# unconfigured with no way to fix itself. Exiting here instead meant link-skills
-# never ran on a machine whose Terra was merely unadopted, so ~/.claude/skills
-# stayed the whole-directory symlink it had been before skills were linked one
-# by one, and not one shipped skill was reachable.
+# Status 78 is reserved for a trust-root failure and is propagated unchanged so
+# no later stage, especially install-hardware, can invoke DNF with that repo.
 TERRA_TRUST_FAILURE_STATUS=78
-DNF_STAGES=(install-packages change-settings install-hardware)
-package_trust_refused=0
-
-stage_opens_dnf() {
-  local candidate="$1" dnf_stage
-  for dnf_stage in "${DNF_STAGES[@]}"; do
-    [[ "$candidate" == "$dnf_stage" ]] && return 0
-  done
-  return 1
-}
-
 trust_preflight="$PANAMA_PATH/setup/scripts/install-packages"
 if [[ ! -x "$trust_preflight" ]]; then
  printf 'install: package repository trust preflight is unavailable\n' >&2
-  package_trust_refused=1
-elif ! "$trust_preflight" --trust-preflight; then
+  exit "$TERRA_TRUST_FAILURE_STATUS"
+fi
+if "$trust_preflight" --trust-preflight; then
+  :
+else
+  trust_status=$?
  printf 'install: package repository trust preflight failed\n' >&2
-  package_trust_refused=1
+  exit "$trust_status"
 fi

 # ── The interview ────────────────────────────────────────────────────────────
@@ -199,7 +221,7 @@ fi
 # Gated exactly like the interview itself: under --upgrade no questions are
 # asked, so nothing here is used, and a machine that cannot install gum must
 # not have that stop an upgrade that never needed it.
-if (( ! UPGRADE && ! package_trust_refused )); then
+if (( ! UPGRADE )); then
  bootstrap=()
  command -v gum >/dev/null 2>&1 || bootstrap+=(gum)
  # The probe tools serve only the hardware questions, which a server is never
@@ -214,7 +236,8 @@ if (( ! UPGRADE && ! package_trust_refused )); then
  fi
  if (( ${#bootstrap[@]} > 0 )); then
    echo "Installing what the setup questions are built on: ${bootstrap[*]}"
-    sudo dnf install -y "${bootstrap[@]}" >/dev/null || {
+    sudo dnf install -y --repo=fedora --repo=updates \
+      --from-repo=fedora,updates "${bootstrap[@]}" >/dev/null || {
      echo "Could not install ${bootstrap[*]}, so the setup questions cannot be asked." >&2
      exit 1
    }
@@ -277,7 +300,12 @@ gsettings set org.gnome.desktop.session idle-delay 0 2>/dev/null || true
 # is unset and each stage takes the empty-answer path it already documents --
 # which is why this is a flag rather than a rewrite of seven stage scripts.
 if (( ! UPGRADE )); then
-  PANAMA_ANSWERS="$(mktemp -t panama-answers.XXXXXX)"
+  PANAMA_ANSWERS="$(mktemp -u -t panama-answers.XXXXXX)" || exit 1
+  umask 077
+  if ! (set -o noclobber; : >"$PANAMA_ANSWERS") 2>/dev/null; then
+    PANAMA_ANSWERS=""
+    exit 1
+  fi
  export PANAMA_ANSWERS

  if ! PANAMA_ROLE_PRESET="$ROLE_PRESET" "$PANAMA_PATH/setup/scripts/interview"; then
@@ -343,7 +371,7 @@ fi
 if [[ "$PANAMA_ROLE" == server ]]; then
  STAGES=(install-packages link-dotfiles link-user setup-server link-server setup-identity)
 else
-  STAGES=(install-packages link-dotfiles link-skills link-user link-mcp change-settings link-vicinae-scripts setup-identity install-hardware)
+  STAGES=(install-packages link-dotfiles link-skills link-user change-settings link-vicinae-scripts setup-identity install-hardware)
 fi

 # The two an upgrade drops. Both exist only to act on interview answers, and
@@ -366,16 +394,11 @@ for stage in "${STAGES[@]}"; do
  script="$PANAMA_PATH/setup/scripts/$stage"
  [[ -x "$script" ]] || continue
  printf '\n=== %s ===\n' "$stage"
-  if (( package_trust_refused )) && stage_opens_dnf "$stage"; then
-    echo "Skipped: the package repository trust check refused package work."
-    continue
-  fi
  if [[ "$stage" == install-packages ]]; then
+    package_start_hash=""
    package_state_status=0
-    package_start_hash="$(hash_packages)" || package_state_status=2
-    if (( package_state_status == 0 )); then
-      packages_needed "$package_start_hash" || package_state_status=$?
-    fi
+    packages_needed || package_state_status=$?
+    package_start_hash="$PACKAGE_START_HASH"
    if (( package_state_status == 1 )); then
      echo "The package lists have not changed since the last run; skipping."
      echo "Run with --packages to install them anyway."
@@ -395,12 +418,9 @@ for stage in "${STAGES[@]}"; do
    fi
  else
    stage_status=$?
-    # A configuration change between the preflight and this stage. Suppress the
-    # remaining DNF stages, keep the safe ones, and carry the status to the end.
    if [[ "$stage" == install-packages && "$stage_status" -eq "$TERRA_TRUST_FAILURE_STATUS" ]]; then
      printf '!!! %s stopped on an untrusted package repository\n' "$stage" >&2
-      package_trust_refused=1
-      continue
+      exit "$stage_status"
    fi
    failed+=("$stage")
    printf '!!! %s failed\n' "$stage" >&2
@@ -426,16 +446,8 @@ done
 # written for -- and baselining would skip every one of them forever. Every
 # migration is self-guarding and a no-op where it does not apply, so running
 # them is the safe direction.
-#
-# Held back when package work was refused. A migration is free to run a DNF
-# transaction -- the ChatGPT package replacement does exactly that -- so the
-# repositories have to be trustworthy before any of them is allowed to run.
-# They are not marked applied either, so the next run still has them pending.
 migrate="$PANAMA_PATH/bin/panama-migrate"
-if (( package_trust_refused )) && [[ -x "$migrate" ]]; then
-  printf '\n=== migrations ===\n'
-  echo "Skipped: the package repository trust check refused package work."
-elif [[ -x "$migrate" ]]; then
+if [[ -x "$migrate" ]]; then
  printf '\n=== migrations ===\n'
  if (( UPGRADE )) || [[ -d "$STATE_DIR/migrations" ]]; then
    "$migrate" run || failed+=(migrations)
@@ -483,17 +495,6 @@ else
  retry='./install'
 fi

-# Reported last and on its own, because it is not an ordinary stage failure:
-# everything safe did run, and what did not run is named rather than buried in a
-# list. The exit status stays 78 so a caller can still tell the two apart.
-if (( package_trust_refused )); then
-  printf 'Package work was refused: the Terra repository configuration on this\n' >&2
-  printf 'machine is not one Panama can verify. Skipped: %s\n' "${DNF_STAGES[*]}" >&2
-  printf 'Everything that touches no repository was still applied.\n' >&2
-  printf 'Inspect it with: panama diagnose\n' >&2
-  exit "$TERRA_TRUST_FAILURE_STATUS"
-fi
-
 if (( ${#failed[@]} == 0 )); then
  if (( UPGRADE )); then
    echo "Panama is up to date."
@@ -1,64 +0,0 @@
-#!/usr/bin/env bash
-
-# replace the community ChatGPT Desktop build with the official OpenAI package
-#
-# `panama app chatgpt-desktop` used to build a community wrapper (codex-desktop)
-# from the upstream macOS disk image, complete with a local rebuild daemon.
-# OpenAI ships an official Linux RPM now, and the installer takes that instead;
-# this repairs machines still carrying the community build. The official
-# package goes on before the community one comes off, so a failure part-way
-# leaves the machine with an app, never without one.
-#
-# Rules, because the runner cannot enforce them:
-#
-#   * Safe to run twice. The marker records success, not intent.
-#   * Tolerant of the repair already being correct -- the user may have fixed
-#     it by hand, or a later ./install may have put it back.
-#   * Root work goes through `panama-sudo --reason "..."`, never bare sudo,
-#     so the password prompt names the repair.
-#   * Exit non-zero to be retried at the next login. Exit zero only when the
-#     machine is genuinely in the state this describes.
-
-set -euo pipefail
-
-PANAMA_PATH="${PANAMA_PATH:-$HOME/.local/share/Panama}"
-
-# Machines that never had the community build are already correct. The official
-# app is the installer's job, not this one's.
-rpm -q codex-desktop >/dev/null 2>&1 || exit 0
-
-# The same verified repository the installer establishes: the pinned signing
-# key, then a repository that names it, so dnf checks OpenAI's signature before
-# root installs anything. See setup/lib/chatgpt-package.
-# shellcheck source=../setup/lib/chatgpt-package
-source "$PANAMA_PATH/setup/lib/chatgpt-package"
-
-sudo_cmd=(sudo)
-if [[ -t 0 && -x "$PANAMA_PATH/bin/panama-sudo" ]]; then
-    sudo_cmd=(
-        "$PANAMA_PATH/bin/panama-sudo" --reason
-        "Replacing the community-built ChatGPT Desktop (codex-desktop) with the official OpenAI package"
-        --
-    )
-fi
-
-# The official package first, so the machine is never left without one.
-if ! rpm -q chatgpt >/dev/null 2>&1; then
-    chatgpt_install_repository "${sudo_cmd[@]}"
-    "${sudo_cmd[@]}" dnf install -y chatgpt
-fi
-
-# The community package's updater is a user unit; stop it before dnf removes
-# the unit file out from under it. Removal also takes the app in /opt, both
-# binaries, and the polkit policy the local rebuilds needed.
-systemctl --user disable --now codex-update-manager.service 2>/dev/null || true
-"${sudo_cmd[@]}" dnf remove -y codex-desktop
-systemctl --user daemon-reload 2>/dev/null || true
-
-# The rebuild state the updater kept; the official package needs none of it.
-rm -rf "${XDG_CACHE_HOME:-$HOME/.cache}/codex-update-manager" \
-       "${XDG_CACHE_HOME:-$HOME/.cache}/codex-runtimes" \
-       "${XDG_CONFIG_HOME:-$HOME/.config}/codex-update-manager" \
-       "${XDG_STATE_HOME:-$HOME/.local/state}/codex-update-manager"
-
-echo "Replaced the community codex-desktop build with the official chatgpt package."
@@ -0,0 +1,19 @@
+# ChatGPT Desktop.
+#
+# OpenAI ships macOS and Windows only. This is a community wrapper that converts
+# the upstream macOS disk image into a Linux Electron app and packages it as an
+# RPM, so the installed result is again something dnf owns.
+#
+# Same exception, same reason: there is no packaged form to prefer. Nothing is
+# pinned; `bootstrap-native` fetches the current upstream image each time and
+# fails loudly when it cannot.
+
+description="ChatGPT Desktop, built into a Fedora RPM"
+repo="https://github.com/ilysenko/codex-desktop-linux.git"
+
+# bootstrap-native installs build dependencies, builds, packages, and installs
+# the newest artifact -- so unlike the Claude build there is no separate install
+# step to do here.
+build() {
+    make bootstrap-native
+}
@@ -1,38 +0,0 @@
-# Pinned signing keys
-
-A key lands here when a publisher signs what Panama installs but does not
-publish the key, or its fingerprint, anywhere an install could fetch and check
-them first. Pinning the key is what lets `dnf` verify a download before root
-ever sees it.
-
-Nothing here is a secret. These are public keys, and the reason to track them
-is that a *changed* one should be a merge request somebody reads, not a silent
-change of who is trusted.
-
-## `RPM-GPG-KEY-chatgpt`
-
-| | |
-| --- | --- |
-| Fingerprint | `3BFA0E4AE8B8CC16A2D9BA684A3B4A566C4660E4` |
-| User ID | `Codex Linux Repository` |
-| Signs | the `chatgpt` package and the repository metadata at `https://persistent.oaistatic.com/codex-app-prod/linux/rpm/$basearch` |
-| Used by | `setup/lib/chatgpt-package` |
-
-Captured on 2026-08-27 from a machine where the official package had been
-installed, at `/etc/pki/rpm-gpg/RPM-GPG-KEY-chatgpt`, where the package's own
-root scriptlet writes it. It is the key that signed both the installed
-`chatgpt` package and the live `repodata/repomd.xml.asc`.
-
-Be honest about what that is worth: OpenAI's documented instructions
-(<https://learn.chatgpt.com/docs/linux/linux-app>) are to download an RPM and
-install it, and they publish no key URL and no fingerprint to compare against.
-So this is trust established on first use and then held, not trust verified
-against the publisher. Held is the part that matters -- from here every machine
-checks the same fingerprint, and a swapped download fails instead of installing.
-
-To re-derive the fingerprint from the file:
-
-```bash
-gpg --show-keys --with-colons setup/keys/RPM-GPG-KEY-chatgpt \
-    | awk -F: '$1 == "fpr" { print $10; exit }'
-```
@@ -1,28 +0,0 @@
-----BEGIN PGP PUBLIC KEY BLOCK-----
-
-mQINBGpypFUBEACi1Vvzq9pIpA6lj7chbqELuxJtVuzUzxrasa6ZU0yF4yhq7jf8
-3YkJRHwbezBKeQyzJ5lkX0EhXS8aXxUhMAm3PFpAlwcInfKzmV7atJwvaxIw6Rmd
-GYe9fBWKjTN/SmPIjtyxrTznZY97+TfD1AeGZpLaJ8fsnhrC+HkiN2TACiTocgpe
-hFiP0OWK7mWZeTWnY2scpIYXP1Ro7nQv4KacmY4JacTQ7m/HM0Qej/3olhuEv2Cw
-lMVWw57/oHhmTllfLDQOogFQyIVqaaR98y/Eu6cAabSfcsqAAZ2A8vfHYD27z28J
-vLO2PZEJd5ThlnX4Zqv0eIpZdBj//8Sl/MSqTshFZ1NDsRoqwdqw284X5MpnOJ4k
-4Sc2Se8tJxt/nCeibH3dJ504Fb1X/mnOqhCAQ6pVJz4RB5HRlFPSkxVPyag1v1m/
-7T4vie+OR4eqFQNz6mudrOoMmeVIfyL5fbe4cOr4fk/FyvEE2xMgkFatPqXn7vM9
-og+zremPCfwRAFpBPyX74VowFY7llcdaj/w8K5T8PzM14Hb3E4ZKizMluKmTvTq9
-WE1/eSQJLLQqXD5VmtmdUaC/VyE/1ZlIxcA1LWqvEQ327UXREvX/nHsrkKrl956W
-jzkiHFUTsD1NJ0dMfs+csOt8Furb5jZj+HsMmCm9jLdfz5b/4WKLPbvxIwARAQAB
-tBZDb2RleCBMaW51eCBSZXBvc2l0b3J5iQJRBBMBCgA7FiEEO/oOSui4zBai2bpo
-SjtKVmxGYOQFAmpypFUCGwMFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AACgkQ
-SjtKVmxGYORlCQ/9FyikZo8HQcJBP9E/oXVPds/fQnIFB2qJR2z3DrfYEonNt/ev
-SAySkPPq4/mEOjaI0pFlDDGSaps+FTcJFgoVRTasBIF7JJivvjW9ap8iWEbhhVLe
-IrFLbMLpUcTRntUx7R4fVMJ/1/cGn+NWZmNwS9ORorzSyCH0IAgCw1Xc3ZrjuMbF
-VjdToMC1TiXXCEmlYpQakmQ3Ay1cH0FHC2BBNn1MNVkJdPhpZIZCdhaMPHfYFpyo
-pg8wFvZ5iIcvlbMgyuy8CPJVRWUcYy2dOhEOGnYJnXRPkE3E1hf8YOHNzRlduH89
-6lT9qcEK2+fpLfrVGoc4zscLZ+Ey+Ko6iQRdVE1j67+wNR3hX8ukue574v1N/xxu
-i575jumSE19lEj1sH4+P4gFHOtTbF0JhKKzLctbga0IAwTPKhnt3qzj1U5Yj/MZS
-uEVjrLhdRauOuFBXUclgyVf2w/lE85UUOdlcollsYA6Huq7xDamqf8SslZQGre3E
-I+lhpqJR1cOwDMUzzcl40uTyhrxXXd/bk4QSlhZbwHR25Pnt+ZMtWavlQWS0eDEV
-8djuXAURCmx5WOqAFB/TJe1mn5EvyWg4VFzrY/NVNOpzgY5+Xp7J28z7f637r712
-Eu9j4imVcdPigwS+jf/0f81i2o9b82Y26TN8+EtDLCY841MJ1lrjDrX/dno=
-=Y+3h
-----END PGP PUBLIC KEY BLOCK-----
@@ -7,20 +7,23 @@
 declare -gA INSTALLER_PROVENANCE=()

 _primary_key_fingerprints() (
-    local home
-    set -o pipefail
-    home="$(mktemp -d)" || exit 1
-    chmod 700 "$home"
-    trap 'rm -rf -- "$home"' EXIT
+    local home="" gpg_output
+    trap '[[ -z "$home" ]] || rm -rf -- "$home"' EXIT
    trap 'exit 130' INT
    trap 'exit 143' TERM
-    GNUPGHOME="$home" gpg --batch --with-colons --import-options show-only --import "$1" 2>/dev/null \
-        | awk -F: '$1 == "pub" { primary = 1; next } primary && $1 == "fpr" { print $10; primary = 0 }'
+    home="$(mktemp -u -d -t panama-gpg.XXXXXX)" || exit 1
+    if ! mkdir -m 700 -- "$home"; then
+        home=""
+        exit 1
+    fi
+    gpg_output="$(GNUPGHOME="$home" gpg --batch --with-colons \
+        --import-options show-only --import "$1" 2>/dev/null)" || exit 1
+    awk -F: '$1 == "pub" { primary = 1; next } primary && $1 == "fpr" { print $10; primary = 0 }' \
+        <<<"$gpg_output"
 )

 key_fingerprint_matches() {
-    local file="$1" expected="$2"
-    local output
+    local file="$1" expected="$2" output
    local -a primary_fingerprints=()
    output="$(_primary_key_fingerprints "$file")" || return 1
    [[ -n "$output" ]] || return 1
@@ -41,11 +44,15 @@ verify_detached_signature() {
    local key="$1" signature="$2" content="$3" home
    _key_has_one_primary "$key" || return 1
    (
-        home="$(mktemp -d)" || exit 1
-        chmod 700 "$home"
-        trap 'rm -rf -- "$home"' EXIT
+        home=""
+        trap '[[ -z "$home" ]] || rm -rf -- "$home"' EXIT
        trap 'exit 130' INT
        trap 'exit 143' TERM
+        home="$(mktemp -u -d -t panama-gpg.XXXXXX)" || exit 1
+        if ! mkdir -m 700 -- "$home"; then
+            home=""
+            exit 1
+        fi
        GNUPGHOME="$home" gpg --batch --quiet --import "$key" >/dev/null 2>&1 \
            && GNUPGHOME="$home" gpg --batch --verify "$signature" "$content" >/dev/null 2>&1
    )
@@ -67,7 +74,11 @@ download_sha256() {
        [[ "$max_bytes" =~ ^[1-9][0-9]*$ ]] || exit 1
        [[ -n "$destination" && -d "$directory" ]] || exit 1
        umask 077
-        part="$(mktemp "$directory/.${filename}.part.XXXXXX")" || exit 1
+        part="$(mktemp -u "$directory/.${filename}.part.XXXXXX")" || exit 1
+        if ! (set -o noclobber; : >"$part") 2>/dev/null; then
+            part=""
+            exit 1
+        fi
        curl --fail --location --connect-timeout 10 --max-time 600 \
            --max-filesize "$max_bytes" --output "$part" "$url" \
            || exit 1
@@ -78,25 +89,25 @@ download_sha256() {
    )
 }

-rpm_signature_matches() {
-    local package="$1" key="$2" expected="$3" home db output status
+rpm_signature_matches() (
+    local package="$1" key="$2" expected="$3" home="" db output
+    trap '[[ -z "$home" ]] || rm -rf -- "$home"' EXIT
+    trap 'exit 130' INT
+    trap 'exit 143' TERM

-    key_fingerprint_matches "$key" "$expected" || return 1
-    home="$(mktemp -d)" || return 1
-    chmod 700 "$home"
+    key_fingerprint_matches "$key" "$expected" || exit 1
+    home="$(mktemp -u -d -t panama-rpm-signature.XXXXXX)" || exit 1
+    if ! mkdir -m 700 -- "$home"; then
+        home=""
+        exit 1
+    fi
    db="$home/rpmdb"
-    mkdir -m 700 "$db" || {
-        rm -rf -- "$home"
-        return 1
-    }
-
-    rpmkeys --dbpath "$db" --import "$key" >/dev/null 2>&1 \
-        && output="$(rpmkeys --dbpath "$db" --checksig --verbose "$package" 2>&1)"
-    status=$?
-    rm -rf -- "$home"
-    (( status == 0 )) || return 1
+    mkdir -m 700 "$db" || exit 1
+    rpmkeys --dbpath "$db" --import "$key" >/dev/null 2>&1 || exit 1
+    output="$(rpmkeys --dbpath "$db" --checksig --verbose "$package" 2>&1)" \
+        || exit 1
    grep -Eqi 'OpenPGP.*signature.*: OK' <<<"$output"
-}
+)

 load_installer_provenance() {
    local file="$1" line name value required
@@ -112,7 +123,6 @@ load_installer_provenance() {
        RUSTDESK_VERSION RUSTDESK_X86_64_URL RUSTDESK_X86_64_SHA256 RUSTDESK_X86_64_MAX_BYTES \
        FEDORA_RELEASE RPMFUSION_FREE_RELEASE_URL RPMFUSION_FREE_RELEASE_MAX_BYTES \
        RPMFUSION_NONFREE_RELEASE_URL RPMFUSION_NONFREE_RELEASE_MAX_BYTES TERRA_BASEURL \
-        TERRA_METALINK_BASEURL \
        HYPRLAND_COPR_BASEURL FLATHUB_DESCRIPTOR_URL FLATHUB_DESCRIPTOR_MAX_BYTES \
        CLAUDE_CODE_BASEURL CLAUDE_DESKTOP_BASEURL TERRA_FINGERPRINT CLAUDE_CODE_FINGERPRINT \
        BUN_FINGERPRINT RPMFUSION_FREE_FINGERPRINT RPMFUSION_NONFREE_FINGERPRINT \
@@ -1,97 +0,0 @@
-# Installing OpenAI's ChatGPT Desktop without trusting the download. Sourced,
-# not run.
-#
-# OpenAI signs both its packages and its repository metadata, with one key, and
-# publishes neither that key nor its fingerprint anywhere a first install could
-# fetch them. The documented instructions are "download this RPM and install
-# it" -- and the RPM's own root scriptlet is what writes the repository file and
-# drops the key into /etc/pki/rpm-gpg. Following them means handing an
-# unverified download to root and letting it decide afterwards what to trust,
-# which is the one thing this repository will not do with a network response.
-#
-# So the key is pinned here instead. setup/keys/ carries a copy and records
-# where it came from; this verifies that copy's fingerprint, installs it, and
-# writes the repository itself with gpgcheck on. dnf then checks the metadata
-# signature and the package signature against that key before anything runs as
-# root, and every later upgrade goes through the same repository and the same
-# key.
-#
-# Two callers, which is why this is a library: install-packages, for a machine
-# being built, and the migration that replaces the community codex-desktop
-# build on machines that predate the official package.
-
-# The key that signs the packages and the repository metadata. Pinned, so a
-# substituted key is a failure here rather than a silent change of publisher.
-CHATGPT_KEY_FINGERPRINT="3BFA0E4AE8B8CC16A2D9BA684A3B4A566C4660E4"
-
-# `$basearch` stays literal: dnf expands it, and this is the same base URL the
-# package's own scriptlet configures.
-CHATGPT_REPO_BASEURL="https://persistent.oaistatic.com/codex-app-prod/linux/rpm/\$basearch"
-CHATGPT_REPO_FILE="/etc/yum.repos.d/chatgpt.repo"
-CHATGPT_KEY_FILE="/etc/pki/rpm-gpg/RPM-GPG-KEY-chatgpt"
-
-chatgpt_pinned_key() {
-    printf '%s/setup/keys/RPM-GPG-KEY-chatgpt' "${PANAMA_PATH:-$HOME/.local/share/Panama}"
-}
-
-# The fingerprint of the pinned copy. Nonzero when it cannot be read at all,
-# which the caller reports differently from a key that reads but is the wrong
-# one.
-chatgpt_pinned_fingerprint() {
-    local key
-    key="$(chatgpt_pinned_key)"
-    [[ -r "$key" ]] || return 1
-    gpg --show-keys --with-colons "$key" 2>/dev/null \
-        | awk -F: '$1 == "fpr" { print $10; exit }'
-}
-
-# Fails without touching anything when the pinned key is missing, unreadable,
-# or not the key this repository says it is. Everything below assumes it passed.
-chatgpt_verify_pinned_key() {
-    local found
-    if ! command -v gpg >/dev/null 2>&1; then
-        printf 'gpg is missing, so the pinned ChatGPT signing key cannot be verified.\n' >&2
-        return 1
-    fi
-    if ! found="$(chatgpt_pinned_fingerprint)"; then
-        printf 'The pinned ChatGPT signing key is missing: %s\n' "$(chatgpt_pinned_key)" >&2
-        return 1
-    fi
-    if [[ "$found" != "$CHATGPT_KEY_FINGERPRINT" ]]; then
-        printf 'The pinned ChatGPT signing key is %s, not the expected %s.\n' \
-            "${found:-unreadable}" "$CHATGPT_KEY_FINGERPRINT" >&2
-        return 1
-    fi
-}
-
-# Installs the verified key and the repository that names it, so the install
-# after this one is a signature check rather than an act of faith.
-#
-# Takes the command that gets root, because the two callers ask for it
-# differently: plain `sudo` from the installer, which authenticated once at the
-# top of the run, and `panama-sudo --reason ...` from a migration, whose prompt
-# has to say which repair it is for.
-chatgpt_install_repository() {
-    local -a sudo_cmd=("$@")
-    (( ${#sudo_cmd[@]} > 0 )) || sudo_cmd=(sudo)
-
-    chatgpt_verify_pinned_key || return 1
-
-    "${sudo_cmd[@]}" install -D -m 0644 "$(chatgpt_pinned_key)" "$CHATGPT_KEY_FILE" || return 1
-    "${sudo_cmd[@]}" rpmkeys --import "$CHATGPT_KEY_FILE" || return 1
-
-    # Written here rather than left to the package's scriptlet, because the
-    # point of it is to exist -- with gpgcheck on and this key named -- before
-    # the first install rather than after it. Same base URL and same key the
-    # scriptlet writes, so it finds nothing to change later.
-    printf '%s\n' \
-        '[openai-chatgpt]' \
-        'name=ChatGPT' \
-        "baseurl=$CHATGPT_REPO_BASEURL" \
-        'enabled=1' \
-        'type=rpm-md' \
-        'gpgcheck=1' \
-        'repo_gpgcheck=1' \
-        "gpgkey=file://$CHATGPT_KEY_FILE" \
-        | "${sudo_cmd[@]}" tee "$CHATGPT_REPO_FILE" >/dev/null || return 1
-}
@@ -11,17 +11,24 @@ content before the applicable verification succeeds.
 Each command below was run in a private temporary directory on 2026-08-27.
 The resulting armored public key is vendored under `keys/`; each output was
 checked with the listed complete primary fingerprint before it was committed.
+The verification commands use Panama's status-preserving helper: it captures
+GPG's output only after GPG succeeds, then requires exactly one primary key.
+
+```bash
+source setup/lib/artifact-provenance
+key_fingerprint_matches KEY.asc EXPECTED_COMPLETE_PRIMARY_FINGERPRINT
+```

 | Key | Source URL | Expected primary fingerprint | Verification command |
 | --- | --- | --- | --- |
-| Terra 44 | `https://repos.fyralabs.com/terra44/key.asc` | `AE09157A4DE88B497EA1D5D300CDAB43DE226D6F` | `gpg --batch --with-colons --import-options show-only --import terra44.asc \| awk -F: '$1 == "fpr" { print $10; exit }'` |
-| Anthropic Claude Code | `https://downloads.claude.ai/keys/claude-code.asc` | `31DDDE24DDFAB679F42D7BD2BAA929FF1A7ECACE` | `gpg --batch --with-colons --import-options show-only --import claude-code.asc \| awk -F: '$1 == "fpr" { print $10; exit }'` |
-| Bun releases | `https://keys.openpgp.org/vks/v1/by-fingerprint/F3DCC08A8572C0749B3E18888EAB4D40A7B22B59` | `F3DCC08A8572C0749B3E18888EAB4D40A7B22B59` | `gpg --batch --with-colons --import-options show-only --import bun.asc \| awk -F: '$1 == "fpr" { print $10; exit }'` |
-| RPM Fusion free | `https://download1.rpmfusion.org/free/fedora/RPM-GPG-KEY-rpmfusion-free-fedora-2020` | `E9A491A3DE247814E7E067EAE06F8ECDD651FF2E` | `gpg --batch --with-colons --import-options show-only --import rpmfusion-free.asc \| awk -F: '$1 == "fpr" { print $10; exit }'` |
-| RPM Fusion nonfree | `https://download1.rpmfusion.org/nonfree/fedora/RPM-GPG-KEY-rpmfusion-nonfree-fedora-2020` | `79BDB88F9BBF73910FD4095B6A2AF96194843C65` | `gpg --batch --with-colons --import-options show-only --import rpmfusion-nonfree.asc \| awk -F: '$1 == "fpr" { print $10; exit }'` |
-| lionheartp/Hyprland COPR | `https://download.copr.fedorainfracloud.org/results/lionheartp/Hyprland/pubkey.gpg` | `97E23476C89635135407C7D5E9BA41342C4B2995` | `gpg --batch --with-colons --import-options show-only --import hyprland-copr.asc \| awk -F: '$1 == "fpr" { print $10; exit }'` |
-| Flathub | `https://flathub.org/repo/flathub.flatpakrepo` | `6E5C05D979C76DAF93C081354184DD4D907A7CAE` | `awk -F= '/^GPGKey=/{print $2}' flathub.flatpakrepo \| base64 --decode \| gpg --batch --with-colons --import-options show-only --import \| awk -F: '$1 == "fpr" { print $10; exit }'` |
-| Claude Desktop Extra | `https://patrickjaja.github.io/claude-desktop-extra/gpg-key.asc` | `825A7D15D78BABE45646D5DF382409F597908867` | `gpg --batch --with-colons --import-options show-only --import claude-desktop.asc \| awk -F: '$1 == "fpr" { print $10; exit }'` |
+| Terra 44 | `https://repos.fyralabs.com/terra44/key.asc` | `AE09157A4DE88B497EA1D5D300CDAB43DE226D6F` | `key_fingerprint_matches terra44.asc AE09157A4DE88B497EA1D5D300CDAB43DE226D6F` |
+| Anthropic Claude Code | `https://downloads.claude.ai/keys/claude-code.asc` | `31DDDE24DDFAB679F42D7BD2BAA929FF1A7ECACE` | `key_fingerprint_matches claude-code.asc 31DDDE24DDFAB679F42D7BD2BAA929FF1A7ECACE` |
+| Bun releases | `https://keys.openpgp.org/vks/v1/by-fingerprint/F3DCC08A8572C0749B3E18888EAB4D40A7B22B59` | `F3DCC08A8572C0749B3E18888EAB4D40A7B22B59` | `key_fingerprint_matches bun.asc F3DCC08A8572C0749B3E18888EAB4D40A7B22B59` |
+| RPM Fusion free | `https://download1.rpmfusion.org/free/fedora/RPM-GPG-KEY-rpmfusion-free-fedora-2020` | `E9A491A3DE247814E7E067EAE06F8ECDD651FF2E` | `key_fingerprint_matches rpmfusion-free.asc E9A491A3DE247814E7E067EAE06F8ECDD651FF2E` |
+| RPM Fusion nonfree | `https://download1.rpmfusion.org/nonfree/fedora/RPM-GPG-KEY-rpmfusion-nonfree-fedora-2020` | `79BDB88F9BBF73910FD4095B6A2AF96194843C65` | `key_fingerprint_matches rpmfusion-nonfree.asc 79BDB88F9BBF73910FD4095B6A2AF96194843C65` |
+| lionheartp/Hyprland COPR | `https://download.copr.fedorainfracloud.org/results/lionheartp/Hyprland/pubkey.gpg` | `97E23476C89635135407C7D5E9BA41342C4B2995` | `key_fingerprint_matches hyprland-copr.asc 97E23476C89635135407C7D5E9BA41342C4B2995` |
+| Flathub | `https://flathub.org/repo/flathub.flatpakrepo` | `6E5C05D979C76DAF93C081354184DD4D907A7CAE` | `key_fingerprint_matches flathub.asc 6E5C05D979C76DAF93C081354184DD4D907A7CAE` |
+| Claude Desktop Extra | `https://patrickjaja.github.io/claude-desktop-extra/gpg-key.asc` | `825A7D15D78BABE45646D5DF382409F597908867` | `key_fingerprint_matches claude-desktop.asc 825A7D15D78BABE45646D5DF382409F597908867` |

 The retrieval command for every direct key was:

@@ -98,16 +105,28 @@ digest, then update the command and this ledger in a second commit.

 Do not replace a key on an automated update. A key rotation is a reviewed
 repository change: obtain the new key from the publisher record, independently
-confirm its complete primary fingerprint, update the vendored key and
-`installers.conf` together, refresh this retrieval record, and add a focused
-contract case if the verification behavior changes. Until that review lands,
-verification fails closed and preserves any known-good destination.
+confirm its complete primary fingerprint, and update every independent pin site
+in one review:

-## Container-only Terra 44 signed-bootstrap proof
+- the armored key under `setup/provenance/keys/`;
+- its fingerprint in `setup/provenance/installers.conf`;
+- the matching `_require_policy_value` literal in
+  `setup/scripts/install-packages`;
+- independent fingerprint expectations and command-log fixtures in
+  `tests/setup/package-provenance-contract`;
+- this retrieval and evidence ledger at `setup/provenance/README.md`.

-On 2026-08-27, a single disposable rootless Podman container proved the Terra
-bootstrap path without changing the host package database, host keyring, or
-host repository files. Podman reported `rootless=true`, `runtime=crun`, and a
+Until all sites agree, verification fails closed and preserves any known-good
+destination. Add or update a focused contract whenever verification behavior
+changes.
+
+## Historical container-only Terra 44 signed-bootstrap proof
+
+On 2026-08-27, a single disposable rootless Podman container validated Terra's
+then-reviewed signed bootstrap without changing the host package database,
+host keyring, or host repository files. This is retained historical publisher
+evidence; Panama's runtime installer no longer installs `terra-release`.
+Podman reported `rootless=true`, `runtime=crun`, and a
 user graph root. The fresh image was
 `registry.fedoraproject.org/fedora@sha256:62f199d1eb34170a7bb2277485676d89c0e91aae4086151c4043062cce51c77c`
 (`sha256:87d8a4a90c0457689db68624cac1026fb2201cbdc1e99cc5455a8f8876118498`).
@@ -115,12 +134,13 @@ The container (`5fc8fa42bb85afb3b57b336ca29b58a32fad50d460583329a4e910cc29fb4d2d
 had no mounts and was removed automatically after `podman stop`.

 Before copying the only host file admitted to the container,
-`keys/terra44.asc`, this exact host check reported the complete primary
-fingerprint `AE09157A4DE88B497EA1D5D300CDAB43DE226D6F`:
+`keys/terra44.asc`, this status-preserving host check accepted the complete
+primary fingerprint `AE09157A4DE88B497EA1D5D300CDAB43DE226D6F`:

 ```bash
-gpg --batch --with-colons --import-options show-only --import setup/provenance/keys/terra44.asc \
-  | awk -F: '$1 == "fpr" { print $10; exit }'
+source setup/lib/artifact-provenance
+key_fingerprint_matches setup/provenance/keys/terra44.asc \
+  AE09157A4DE88B497EA1D5D300CDAB43DE226D6F
 ```

 Its SHA-256 was
@@ -144,14 +164,16 @@ podman exec panama-terra-proof-20260827 /bin/bash -lc '
 '
 ```

-Inside the container the copied and installed key both had the recorded
-SHA-256 before and after installation. `terra-release-44-9.noarch` was
-installed. Its effective `terra` configuration reported `gpgcheck = 1`,
-`pkg_gpgcheck = 1`, and `repo_gpgcheck = 1`; no GPG-bypass option was used.
-The package's own `/etc/yum.repos.d/terra.repo` uses its Terra metalink and
-`RPM-GPG-KEY-terra44`. That differs from Panama's deliberately staged local
-key/base-URL file in `install-packages`, which replaces the release-generated
-file only after this verified bootstrap step.
+The retained command output records the copied key's SHA-256 and DNF's
+successful `terra-release-44-9.noarch` transaction. The command itself pins the
+temporary Terra base URL and local staged key and enables package and repository
+signature checks. It does not include a separate post-install fingerprint or
+effective-repository query, so this ledger makes no independent post-check
+claim. Production publishes the reviewed root-staged key/repository pair
+directly and commits it only after the effective-repository post-check
+succeeds; failure restores the prior pair. Publisher-only package transactions
+use a fresh command-line repository identity, the reviewed base URL, and a
+newly fingerprint-verified private root key snapshot.

 Although the command runner returned after 30 seconds while DNF was still
 loading metadata, Podman's retained event log records the exact command's
@@ -165,6 +187,5 @@ podman events --since '2026-08-27T10:55:00-04:00' --until '2026-08-27T11:02:00-0

 The first `exec` event, at `timeNano=1787842633591543881`, is the documented
 key-install and DNF command. Its matching first `exec_died` event, at
-`timeNano=1787842671276003275`, records `ContainerExitCode:0`. The
-same-container post-check independently confirmed the installed package and
-effective signature settings above; no retry or second container was used.
+`timeNano=1787842671276003275`, records `ContainerExitCode:0`. No retry or
+second container was used, and no stronger post-check evidence is retained.
@@ -35,7 +35,6 @@ RPMFUSION_FREE_RELEASE_MAX_BYTES=4194304
 RPMFUSION_NONFREE_RELEASE_URL=https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-44.noarch.rpm
 RPMFUSION_NONFREE_RELEASE_MAX_BYTES=4194304
 TERRA_BASEURL=https://repos.fyralabs.com/terra44
-TERRA_METALINK_BASEURL=https://tetsudou.fyralabs.com/metalink
 HYPRLAND_COPR_BASEURL=https://download.copr.fedorainfracloud.org/results/lionheartp/Hyprland/fedora-$releasever-$basearch/
 FLATHUB_DESCRIPTOR_URL=https://flathub.org/repo/flathub.flatpakrepo
 FLATHUB_DESCRIPTOR_MAX_BYTES=1048576
@@ -53,7 +53,12 @@ if [[ "${PANAMA_NVIDIA:-no}" == yes ]]; then
        warn "Secure Boot question, or disable Secure Boot first."
    else
    log "Installing the NVIDIA driver"
-    if sudo dnf install -y akmod-nvidia xorg-x11-drv-nvidia-cuda; then
+    if sudo dnf install -y \
+        --repo=fedora --repo=updates \
+        --repo=rpmfusion-free --repo=rpmfusion-free-updates \
+        --repo=rpmfusion-nonfree --repo=rpmfusion-nonfree-updates \
+        --from-repo=rpmfusion-nonfree,rpmfusion-nonfree-updates \
+        akmod-nvidia xorg-x11-drv-nvidia-cuda; then
        # nouveau has to be out of the way before the kernel would otherwise
        # bind it, which is why these are kernel arguments and not a modprobe
        # drop-in. modeset=1 is what makes the Wayland session work at all.
@@ -1,99 +0,0 @@
-#!/usr/bin/env bash
-
-# MCP servers, registered with the agent runtimes on this machine.
-#
-# An MCP server is a URL plus a bearer token, and the token is the whole reason
-# this is a stage rather than a manifest line. Panama is a public repository, so
-# the tokens cannot live in it, and neither runtime keeps its server list in a
-# file that could be symlinked anyway: Codex writes them into config.toml beside
-# dozens of unrelated settings, and Claude Code into ~/.claude.json. There is no
-# file to point at, so this registers them through the runtime's own CLI.
-#
-# What is tracked is user/agents/mcp/servers, which names each server and which
-# variable carries its token. What is not tracked is user/agents/mcp/env, which
-# holds the tokens. A new machine gets the servers by dropping its own env file
-# beside the tracked one and re-running ./install.
-#
-# This is personal content, so it obeys the same interview decision link-user
-# does. A machine that never said yes registers nothing.
-#
-# Only Claude Code is handled. Codex stores its servers inside config.toml, and
-# rewriting a section of somebody's live TOML is a worse failure mode than
-# leaving two lines for them to paste once.
-
-set -euo pipefail
-
-log() { echo -e "\033[1;34m[INFO]\033[0m $*"; }
-warn() { echo -e "\033[1;33m[WARN]\033[0m $*" >&2; }
-
-PANAMA_PATH="${PANAMA_PATH:-$HOME/.local/share/Panama}"
-MCP_DIR="$PANAMA_PATH/user/agents/mcp"
-SERVERS="$MCP_DIR/servers"
-ENV_FILE="$MCP_DIR/env"
-STATE_DIR="${XDG_STATE_HOME:-$HOME/.local/state}/panama"
-DECISION="$STATE_DIR/user-content"
-
-[[ -r "$SERVERS" ]] || { log "No MCP server list; nothing to register."; exit 0; }
-
-# The same gate link-user uses, read the same way, so one answer governs all
-# personal content rather than two stages disagreeing about it.
-decision="$([[ -r "$DECISION" ]] && cat "$DECISION" || printf 'no')"
-if [[ "$decision" != "yes" ]]; then
-    log "Personal content is not enabled on this machine; no MCP servers registered."
-    exit 0
-fi
-
-if ! command -v claude >/dev/null 2>&1; then
-    log "Claude Code is not installed; nothing to register."
-    exit 0
-fi
-
-# Tokens are optional. A machine without the env file still registers any server
-# that needs no header, and says which ones it skipped rather than failing.
-if [[ -r "$ENV_FILE" ]]; then
-    set -a
-    # shellcheck source=/dev/null
-    . "$ENV_FILE"
-    set +a
-else
-    warn "No $ENV_FILE; servers needing a token will be skipped."
-fi
-
-registered=0
-skipped=0
-
-while read -r name transport url token_var _rest; do
-    case "${name:-}" in ''|'#'*) continue ;; esac
-    if [[ -z "${transport:-}" || -z "${url:-}" ]]; then
-        warn "Ignoring malformed row for '$name'."
-        continue
-    fi
-
-    header=()
-    if [[ -n "${token_var:-}" ]]; then
-        token="${!token_var:-}"
-        if [[ -z "$token" ]]; then
-            warn "Skipping $name: $token_var is not set in $ENV_FILE."
-            skipped=$((skipped + 1))
-            continue
-        fi
-        header=(-H "Authorization: $token")
-    fi
-
-    # Re-registering is how this stays idempotent across upgrades, and how a
-    # rotated token reaches the runtime. Removing first avoids the CLI refusing
-    # a name it already knows. Neither call may print the token, so both are
-    # quiet unless they fail.
-    claude mcp remove "$name" -s user >/dev/null 2>&1 || true
-    if claude mcp add --transport "$transport" "$name" "$url" "${header[@]}" \
-        -s user >/dev/null 2>&1; then
-        log "Registered $name."
-        registered=$((registered + 1))
-    else
-        warn "Could not register $name."
-        skipped=$((skipped + 1))
-    fi
-done <"$SERVERS"
-
-log "MCP servers: $registered registered, $skipped skipped."
-log "Claude Code loads them at start, so restart a running session to pick them up."
@@ -11,11 +11,12 @@
 # this repository, not anybody's personal content, so a stranger who clones
 # Panama wants it for exactly the same reason its author does.
 #
-# ~/.agents/skills and ~/.claude/skills may each start as a single symlink into
-# user/agents/skills, but a directory cannot point at personal and shipped
-# skills at once. Both destinations become real directories with one link per
-# skill. link-user runs after this stage on purpose, so a personal skill named
-# like a shipped one wins in every agent runtime.
+# ~/.claude/skills was a single symlink into user/agents/skills until now, and
+# a directory cannot be two things at once. So the destination becomes a real
+# directory and every skill -- shipped here, personal from user/ -- is linked
+# into it one at a time. link-user runs after this stage on purpose: it links
+# last, so a personal skill named like a shipped one wins, which is the
+# precedence Claude Code itself uses.

 set -euo pipefail

@@ -24,7 +25,7 @@ log() { echo -e "\033[1;34m[INFO]\033[0m $*"; }
 PANAMA_PATH="${PANAMA_PATH:-$HOME/.local/share/Panama}"
 SKILLS_DIR="$PANAMA_PATH/skills"
 PANAMA_OLD="$PANAMA_PATH/config/old"
-DESTINATIONS=("$HOME/.agents/skills" "$HOME/.claude/skills")
+DESTINATION="$HOME/.claude/skills"

 [[ -d "$SKILLS_DIR" ]] || { log "No skills/ in this checkout; nothing to link."; exit 0; }

@@ -50,30 +51,27 @@ displace() {
    log "Moved existing $destination to $backup"
 }

-# Each destination has to be a real directory before anything can be linked
-# into it. An old whole-directory symlink is removed; a regular file somebody
-# left at the path is kept in config/old/.
-for destination in "${DESTINATIONS[@]}"; do
-    mkdir -p "$(dirname "$destination")"
-    if [[ -L "$destination" ]]; then
-        rm -f "$destination"
-        log "Removed the old $destination symlink; skills are linked one by one now"
-    elif [[ -e "$destination" && ! -d "$destination" ]]; then
-        displace "$destination"
+# The destination itself has to be a real directory before anything can be
+# linked into it. An old whole-directory symlink is removed; a regular file
+# somebody left at this path is kept, in config/old/.
+mkdir -p "$(dirname "$DESTINATION")"
+if [[ -L "$DESTINATION" ]]; then
+    rm -f "$DESTINATION"
+    log "Removed the old $DESTINATION symlink; skills are linked one by one now"
+elif [[ -e "$DESTINATION" && ! -d "$DESTINATION" ]]; then
+    displace "$DESTINATION"
 fi
-    mkdir -p "$destination"
-done
+mkdir -p "$DESTINATION"

 linked=0
 for skill in "$SKILLS_DIR"/*; do
    [[ -e "$skill" ]] || continue
    name="$(basename "$skill")"
-    for destination in "${DESTINATIONS[@]}"; do
-        target="$destination/$name"
+    target="$DESTINATION/$name"
+
    displace "$target"
    ln -s "$skill" "$target"
    log "Linked skills/$name → $target"
-    done
    linked=$(( linked + 1 ))
 done

@@ -6,6 +6,75 @@

 set -euo pipefail

+_collect_vicinae_inputs() {
+    local extension="$1" output="$2"
+    [[ -d "$extension" && ! -L "$extension" \
+        && -f "$extension/package.json" && ! -L "$extension/package.json" \
+        && -f "$extension/package-lock.json" && ! -L "$extension/package-lock.json" ]] \
+        || return 1
+
+    # Everything authored below the extension affects its build. npm's
+    # dependency tree is the sole exception and is reproduced from the lock.
+    find "$extension" -mindepth 1 \
+        \( -path "$extension/node_modules" -prune \) -o \
+        ! -type d -print0 >"$output" || return 1
+    LC_ALL=C sort -z -o "$output" "$output" || return 1
+}
+
+_write_vicinae_manifest() {
+    local extension="$1" inputs="$2" output="$3"
+    local input relative digest
+    : >"$output" || return 1
+    while IFS= read -r -d '' input; do
+        [[ -f "$input" && ! -L "$input" && -r "$input" ]] || return 1
+        relative="${input#"$extension"/}"
+        [[ "$relative" != "$input" && -n "$relative" ]] || return 1
+        digest="$(sha256sum -- "$input" | awk '{ print $1 }')" || return 1
+        [[ "$digest" =~ ^[0-9a-f]{64}$ ]] || return 1
+        printf '%s\0%s\0' "$relative" "$digest" >>"$output" || return 1
+    done <"$inputs"
+}
+
+_vicinae_extension_digest() (
+    local extension="${1%/}" work=""
+    trap '[[ -z "$work" ]] || rm -rf -- "$work"' EXIT
+    trap 'exit 130' INT
+    trap 'exit 143' TERM
+    work="$(mktemp -u -d -t panama-vicinae-digest.XXXXXX)" || exit 1
+    if ! mkdir -m 700 -- "$work"; then
+        work=""
+        exit 1
+    fi
+
+    _collect_vicinae_inputs "$extension" "$work/inputs.before" || exit 1
+    _write_vicinae_manifest \
+        "$extension" "$work/inputs.before" "$work/manifest.before" || exit 1
+    _collect_vicinae_inputs "$extension" "$work/inputs.after" || exit 1
+    _write_vicinae_manifest \
+        "$extension" "$work/inputs.after" "$work/manifest.after" || exit 1
+    cmp -s -- "$work/inputs.before" "$work/inputs.after" || exit 1
+    cmp -s -- "$work/manifest.before" "$work/manifest.after" || exit 1
+    sha256sum -- "$work/manifest.before" | awk '{ print $1 }'
+)
+
+_record_vicinae_digest() (
+    local built="$1" digest="$2" receipt temporary=""
+    trap '[[ -z "$temporary" ]] || rm -f -- "$temporary"' EXIT
+    trap 'exit 130' INT
+    trap 'exit 143' TERM
+    [[ -d "$built" && ! -L "$built" ]] || exit 1
+    receipt="$built/.panama-source-sha256"
+    temporary="$(mktemp -u "$built/.panama-source-sha256.XXXXXX")" || exit 1
+    umask 077
+    if ! (set -o noclobber; : >"$temporary") 2>/dev/null; then
+        temporary=""
+        exit 1
+    fi
+    printf '%s\n' "$digest" >"$temporary" || exit 1
+    mv -f -- "$temporary" "$receipt" || exit 1
+    temporary=""
+)
+
 panama_path="${PANAMA_PATH:-$HOME/.local/share/Panama}"
 vicinae_data_dir="${VICINAE_DATA_DIR:-$HOME/.local/share/vicinae}"
 source_dir="$panama_path/config/local/share/vicinae/scripts"
@@ -81,24 +150,36 @@ if [[ -d "$extensions_source" ]] && command -v npm >/dev/null 2>&1; then
        [[ -f "$extension/package.json" ]] || continue
        name="$(basename "$extension")"

-        # Skip a build that would produce what is already there. `npm ci`
-        # alone takes long enough to be worth not repeating on every re-run of
-        # a stage that is otherwise nearly instant.
+        # Skip only when a prior successful build records the digest of both
+        # manifests and every source byte. Directory mtimes do not change when
+        # an existing source file is edited.
        built="$vicinae_data_dir/extensions/$name"
-        if [[ -d "$built" ]]; then
-            newer_source=''
-            if newer_source="$(find "$extension/src" -type f -newer "$built" -print -quit)" \
-                && [[ -z "$newer_source" \
-                    && ! "$extension/package.json" -nt "$built" \
-                    && ! "$extension/package-lock.json" -nt "$built" ]]; then
+        receipt="$built/.panama-source-sha256"
+        if ! source_digest="$(_vicinae_extension_digest "$extension")"; then
+            printf 'Vicinae extension %s inputs could not be verified; skipping\n' \
+                "$name" >&2
+            continue
+        fi
+        if [[ -f "$receipt" && ! -L "$receipt" ]] \
+            && cmp -s <(printf '%s\n' "$source_digest") "$receipt"; then
            printf 'Vicinae extension %s is already built\n' "$name"
            continue
        fi
-        fi

        printf 'Building Vicinae extension %s\n' "$name"
-        if ! (cd "$extension" && npm ci --silent >/dev/null 2>&1 && npm run build >/dev/null 2>&1); then
+        if ! (cd "$extension" && npm ci --silent >/dev/null 2>&1 \
+            && npm run build >/dev/null 2>&1); then
            printf 'Vicinae extension %s did not build; skipping\n' "$name" >&2
+            continue
+        fi
+        if ! final_digest="$(_vicinae_extension_digest "$extension")" \
+            || [[ "$final_digest" != "$source_digest" ]]; then
+            printf 'Vicinae extension %s changed while building; receipt withheld\n' \
+                "$name" >&2
+            continue
+        fi
+        if ! _record_vicinae_digest "$built" "$source_digest"; then
+            printf 'Vicinae extension %s receipt could not be recorded\n' "$name" >&2
        fi
    done
 elif [[ -d "$extensions_source" ]]; then
@@ -82,7 +82,6 @@ live-desktop tests/quickshell/dock-position-contract
 # Reads Hyprland option descriptions from the live compositor to verify enum
 # mappings.
 live-compositor tests/quickshell/enum-hypr-map-contract
-hermetic tests/quickshell/exclusion-idiom-contract
 hermetic tests/quickshell/fingerprint-contract
 # Reads the host firewall state through the production firewall helper.
 live-host tests/quickshell/firewall-contract
@@ -248,7 +247,6 @@ hermetic tests/server/containers-shape-contract
 hermetic tests/server/panama-server-contract
 hermetic tests/setup/apps-contract
 hermetic tests/setup/boot-contract
-hermetic tests/setup/chatgpt-package-contract
 hermetic tests/setup/contract-manifest-contract
 hermetic tests/setup/crash-watch-contract
 hermetic tests/setup/desktop-first-contract
@@ -1,45 +0,0 @@
-#!/usr/bin/env bash
-
-# A window that wants the whole output must ask for ExclusionMode.Ignore and
-# nothing else. Quickshell's exclusiveZone setter forces exclusionMode back to
-# Normal as a side effect, so a window declaring both
-#
-#     exclusiveZone: 0
-#     exclusionMode: ExclusionMode.Ignore
-#
-# ends up with whichever property the QML engine applied last, and that order
-# is not ours to control: the 2026-09-14 Qt/Quickshell update flipped it, every
-# full-screen overlay slid down under the bar, and the screenshot picker's
-# frozen frame stopped lining up with the screen it was a picture of. This pins
-# the order-independent idiom: Ignore alone, never paired with exclusiveZone.
-
-set -uo pipefail
-
-repo_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
-qs="$repo_dir/config/dot/quickshell"
-
-fail() { printf 'exclusion idiom contract: %s\n' "$1" >&2; exit 1; }
-[[ -d "$qs/modules" ]] || fail "missing $qs/modules"
-
-python3 - "$qs" <<'PY'
-import re, sys, pathlib
-qs = pathlib.Path(sys.argv[1])
-problems = []
-ignore = re.compile(r'\bexclusionMode\s*:\s*ExclusionMode\.Ignore\b')
-zone = re.compile(r'^\s*(?:WlrLayershell\.)?exclusiveZone\s*:', re.M)
-checked = 0
-for path in sorted(qs.rglob('*.qml')):
-    text = path.read_text()
-    if not ignore.search(text):
-        continue
-    checked += 1
-    for m in zone.finditer(text):
-        line = text.count('\n', 0, m.start()) + 1
-        problems.append(f"{path.relative_to(qs)}:{line}: exclusiveZone set in a file that uses "
-                        "ExclusionMode.Ignore; drop it, Ignore already means -1")
-if checked == 0:
-    problems.append("no window uses ExclusionMode.Ignore; the overlays this pins are gone")
-if problems:
-    print('\n'.join(problems), file=sys.stderr)
-    sys.exit(1)
-PY
@@ -32,6 +32,8 @@ panama="$repo_dir/bin/panama"
 findings=()
 note() { findings+=("$1"); }

+[[ -d "$apps_dir" ]] || { printf 'apps contract: no %s\n' "$apps_dir" >&2; exit 1; }
+
 shopt -s nullglob
 definitions=("$apps_dir"/*)

@@ -15,6 +15,16 @@ note() { findings+=("$1"); }

 [[ -x "$boot" ]] || { printf 'boot contract: %s is not executable\n' "$boot" >&2; exit 1; }

+# Git is the only package boot can install before the verified checkout exists.
+# Both root-server and ordinary-user paths must exclude ambient third-party
+# repositories while still allowing Fedora dependencies.
+for git_install in \
+    'dnf install -y --repo=fedora --repo=updates --from-repo=fedora,updates git' \
+    'sudo dnf install -y --repo=fedora --repo=updates --from-repo=fedora,updates git'; do
+    grep -qF "$git_install" "$boot" \
+        || note "boot omits reviewed Fedora source binding: $git_install"
+done
+
 work="$(mktemp -d)"
 trap 'rm -rf "$work"' EXIT

@@ -103,6 +113,16 @@ case "\${1:-}" in
        [[ "\$#" -eq 4 && "\$4" == 'HEAD^{commit}' ]] || exit 97
        cat "$state/head-revision"
        ;;
+      ls-tree)
+        [[ "\$#" -eq 6 && "\$4" == -rz && "\$5" == --full-tree \
+          && "\$6" == "$revision" ]] || exit 97
+        printf '100755 blob aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\tinstall\0'
+        ;;
+      hash-object)
+        [[ "\$#" -eq 6 && "\$4" == --no-filters && "\$5" == -- \
+          && "\$6" == install ]] || exit 97
+        printf '%s\n' aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+        ;;
      *) exit 97 ;;
    esac
    ;;
@@ -268,6 +288,132 @@ run_boot "$revision" "$boot_sha"
 (( run_status != 0 )) || note 'existing HEAD mismatch returned success'
 assert_no_install_or_rewrite 'existing HEAD mismatch'

+# Git's porcelain status deliberately trusts index hints. The bootstrap cannot:
+# these two flags can hide changed executable bytes while HEAD still names the
+# reviewed commit. Exercise real Git so the contract cannot accidentally teach
+# its adapter to expose state that Git itself hides.
+real_git="$(command -v git)"
+hidden_root="$work/hidden-index"
+mkdir -p "$hidden_root/home"
+"$real_git" init -q "$hidden_root/source"
+"$real_git" -C "$hidden_root/source" config user.email contract@panama
+"$real_git" -C "$hidden_root/source" config user.name contract
+printf '#!/usr/bin/env bash\nexit 0\n' >"$hidden_root/source/install"
+chmod +x "$hidden_root/source/install"
+printf 'trusted target bytes\n' >"$hidden_root/source/target"
+ln -s target "$hidden_root/source/trusted-link"
+"$real_git" -C "$hidden_root/source" add install target trusted-link
+"$real_git" -C "$hidden_root/source" commit -qm trusted
+hidden_revision="$("$real_git" -C "$hidden_root/source" rev-parse HEAD)"
+"$real_git" clone -q --bare "$hidden_root/source" "$hidden_root/origin.git"
+
+# Exercise the exact boundary between checkout preparation and handoff. This
+# test-only copy inserts a same-UID replacement after prepare returns; the
+# production handoff must perform its complete comparison after that point.
+post_prepare_checkout="$hidden_root/post-prepare-swap"
+post_prepare_marker="$hidden_root/post-prepare-executed"
+post_prepare_hook_marker="$hidden_root/post-prepare-hook-fired"
+"$real_git" clone -q "$hidden_root/origin.git" "$post_prepare_checkout"
+post_prepare_hook="$hidden_root/swap-install"
+cat >"$post_prepare_hook" <<'HOOK'
+#!/usr/bin/env bash
+: >"$PANAMA_BOOT_POST_PREPARE_HOOK_MARKER"
+printf '#!/usr/bin/env bash\nprintf "executed\\n" >%q\n' \
+    "$PANAMA_BOOT_POST_PREPARE_MARKER" >"$PANAMA_PATH/install"
+chmod +x "$PANAMA_PATH/install"
+HOOK
+chmod +x "$post_prepare_hook"
+hooked_boot="$hidden_root/boot-post-prepare-hook"
+awk '
+  {
+    print
+    if ($0 == "prepare_panama_checkout \"$PANAMA_PATH\"") {
+      prepare_count++
+      if (prepare_count == 1) print "\"$PANAMA_BOOT_POST_PREPARE_FIXTURE\""
+    }
+  }
+' "$boot" >"$hooked_boot"
+hooked_boot_sha="$(sha256sum "$hooked_boot" | cut -d' ' -f1)"
+post_prepare_status=0
+HOME="$hidden_root/home" PANAMA_PATH="$post_prepare_checkout" \
+    PANAMA_BOOT_REVISION="$hidden_revision" PANAMA_BOOT_SHA256="$hooked_boot_sha" \
+    PANAMA_BOOT_POST_PREPARE_FIXTURE="$post_prepare_hook" \
+    PANAMA_BOOT_POST_PREPARE_MARKER="$post_prepare_marker" \
+    PANAMA_BOOT_POST_PREPARE_HOOK_MARKER="$post_prepare_hook_marker" \
+    bash "$hooked_boot" </dev/null >"$hidden_root/post-prepare.out" 2>&1 \
+    || post_prepare_status=$?
+[[ -e "$post_prepare_hook_marker" ]] \
+    || note 'post-prepare replacement hook did not exercise the boundary'
+(( post_prepare_status != 0 )) \
+    || note 'post-prepare worktree replacement returned success'
+[[ ! -e "$post_prepare_marker" ]] \
+    || note 'post-prepare worktree replacement executed unreviewed install bytes'
+
+# A valid tracked symlink must compare its link text with Git's 120000 blob;
+# hashing the pathname would follow it and hash the target file instead.
+symlink_checkout="$hidden_root/tracked-symlink"
+"$real_git" clone -q "$hidden_root/origin.git" "$symlink_checkout"
+symlink_status=0
+HOME="$hidden_root/home" PANAMA_PATH="$symlink_checkout" \
+    PANAMA_BOOT_REVISION="$hidden_revision" PANAMA_BOOT_SHA256="$boot_sha" \
+    bash "$boot" </dev/null >"$hidden_root/tracked-symlink.out" 2>&1 \
+    || symlink_status=$?
+(( symlink_status == 0 )) \
+    || note 'a checkout with a valid tracked symlink was rejected'
+
+for hidden_flag in assume-unchanged skip-worktree; do
+    hidden_checkout="$hidden_root/$hidden_flag"
+    hidden_marker="$hidden_root/$hidden_flag-executed"
+    "$real_git" clone -q "$hidden_root/origin.git" "$hidden_checkout"
+    printf '#!/usr/bin/env bash\nprintf "executed\\n" >%q\n' "$hidden_marker" \
+        >"$hidden_checkout/install"
+    chmod +x "$hidden_checkout/install"
+    "$real_git" -C "$hidden_checkout" update-index "--$hidden_flag" install
+    [[ -z "$("$real_git" -C "$hidden_checkout" status --porcelain)" ]] \
+        || note "$hidden_flag fixture was not hidden from porcelain status"
+
+    hidden_status=0
+    HOME="$hidden_root/home" PANAMA_PATH="$hidden_checkout" \
+        PANAMA_BOOT_REVISION="$hidden_revision" PANAMA_BOOT_SHA256="$boot_sha" \
+        bash "$boot" </dev/null >"$hidden_root/$hidden_flag.out" 2>&1 \
+        || hidden_status=$?
+    (( hidden_status != 0 )) \
+        || note "$hidden_flag modified checkout returned success"
+    [[ ! -e "$hidden_marker" ]] \
+        || note "$hidden_flag modified checkout executed unreviewed install bytes"
+done
+
+# The same hidden-index state must not conceal a mode change or a different
+# symlink target; both are part of the reviewed Git tree, not metadata hints.
+for hidden_flag in assume-unchanged skip-worktree; do
+    for hidden_change in mode symlink-target; do
+        hidden_checkout="$hidden_root/$hidden_flag-$hidden_change"
+        "$real_git" clone -q "$hidden_root/origin.git" "$hidden_checkout"
+        case "$hidden_change" in
+            mode)
+                chmod -x "$hidden_checkout/install"
+                hidden_path=install
+                ;;
+            symlink-target)
+                rm -- "$hidden_checkout/trusted-link"
+                ln -s untrusted-target "$hidden_checkout/trusted-link"
+                hidden_path=trusted-link
+                ;;
+        esac
+        "$real_git" -C "$hidden_checkout" update-index "--$hidden_flag" "$hidden_path"
+        [[ -z "$("$real_git" -C "$hidden_checkout" status --porcelain)" ]] \
+            || note "$hidden_flag $hidden_change fixture was not hidden from porcelain status"
+
+        hidden_status=0
+        HOME="$hidden_root/home" PANAMA_PATH="$hidden_checkout" \
+            PANAMA_BOOT_REVISION="$hidden_revision" PANAMA_BOOT_SHA256="$boot_sha" \
+            bash "$boot" </dev/null >"$hidden_root/$hidden_flag-$hidden_change.out" 2>&1 \
+            || hidden_status=$?
+        (( hidden_status != 0 )) \
+            || note "$hidden_flag concealed a tracked $hidden_change change"
+    done
+done
+
 if (( ${#findings[@]} > 0 )); then
    printf 'boot contract: %d finding(s)\n' "${#findings[@]}" >&2
    printf '  - %s\n' "${findings[@]}" >&2
@@ -1,195 +0,0 @@
-#!/usr/bin/env bash
-
-# The one download that gets to run as root, and how it earns that.
-#
-# OpenAI publishes no signing key and no fingerprint that a first install could
-# fetch and compare against: the documented instructions are to download an RPM
-# and install it, and that RPM's own root scriptlet is what decides afterwards
-# which repository and which key the machine will trust. Panama pins the key
-# instead -- setup/keys/ carries it, setup/lib/chatgpt-package verifies the copy
-# and writes the repository -- so dnf checks a signature before root sees a byte
-# of it.
-#
-# What must hold:
-#
-#   1. The pinned key is the key the library says it is. Everything else here
-#      is worthless if this drifts, and a changed key must be a failing test
-#      somebody reads rather than a quiet change of publisher.
-#   2. A pinned key that is missing, unreadable, or simply not that key stops
-#      the install and leaves the machine untouched. Failing closed is the
-#      whole point; falling back to installing anyway would be worse than
-#      never having checked.
-#   3. What it writes actually enforces the check: gpgcheck and repo_gpgcheck
-#      on, and the gpgkey pointing at the key it just installed.
-#   4. Both callers go through it, and neither hands root a downloaded RPM.
-#      The installer and the codex-desktop migration install `chatgpt` by name
-#      from that repository, which is what makes the signature mandatory.
-#
-# Hermetic: the key file is read locally, root is a stub that records what it
-# was asked to do, and the destinations are redirected into a temporary
-# directory. Nothing here contacts OpenAI or touches /etc.
-
-set -uo pipefail
-
-repo_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
-library="$repo_dir/setup/lib/chatgpt-package"
-installer="$repo_dir/setup/scripts/install-packages"
-migration="$repo_dir/migrations/1787804505.sh"
-pinned_key="$repo_dir/setup/keys/RPM-GPG-KEY-chatgpt"
-
-findings=()
-note() { findings+=("$1"); }
-
-[[ -r "$library" ]] || {
-    printf 'chatgpt package contract: %s is missing\n' "$library" >&2
-    exit 1
-}
-
-command -v gpg >/dev/null 2>&1 || {
-    printf 'chatgpt package contract: gpg is required to read the pinned key\n' >&2
-    exit 1
-}
-
-work="$(mktemp -d)"
-trap 'rm -rf "$work"' EXIT
-
-# Root, as a recording stub. It logs the command and then runs it for real,
-# which is safe because every destination below is redirected into $work.
-stub="$work/bin"
-mkdir -p "$stub"
-cat >"$stub/sudo" <<'STUB'
-#!/usr/bin/env bash
-printf '%s\n' "$*" >>"$SUDO_RECORD"
-exec "$@"
-STUB
-cat >"$stub/rpmkeys" <<'STUB'
-#!/usr/bin/env bash
-printf '%s\n' "$*" >>"$RPMKEYS_RECORD"
-STUB
-chmod +x "$stub/sudo" "$stub/rpmkeys"
-export PATH="$stub:$PATH"
-
-# ── 1. The pinned key is the pinned key ─────────────────────────────────────
-
-if [[ ! -r "$pinned_key" ]]; then
-    note 'setup/keys/RPM-GPG-KEY-chatgpt is missing, so nothing can be verified'
-else
-    declared="$(grep -oP '(?<=^CHATGPT_KEY_FINGERPRINT=")[0-9A-F]+' "$library" | head -1)"
-    actual="$(gpg --show-keys --with-colons "$pinned_key" 2>/dev/null \
-        | awk -F: '$1 == "fpr" { print $10; exit }')"
-    [[ -n "$declared" ]] \
-        || note 'the library pins no fingerprint, so any key file would be accepted'
-    [[ -n "$actual" ]] \
-        || note 'the pinned key file does not parse as a public key'
-    [[ "$declared" == "$actual" ]] \
-        || note "the pinned key is $actual but the library expects $declared"
-    grep -q 'RPM-GPG-KEY-chatgpt' "$repo_dir/setup/keys/README.md" 2>/dev/null \
-        || note 'setup/keys/README.md does not record where the pinned key came from'
-    grep -q "$actual" "$repo_dir/setup/keys/README.md" 2>/dev/null \
-        || note 'setup/keys/README.md records a fingerprint other than the key it ships'
-fi
-
-# One attempt, against redirected destinations and a recording root. Every
-# variable the library exposes is set here rather than in the caller's shell,
-# so a case cannot leak into the next one.
-attempt() {
-    local dir="$1" panama_path="$2" fingerprint="${3:-}"
-    mkdir -p "$dir"
-    (
-        export SUDO_RECORD="$dir/sudo.log" RPMKEYS_RECORD="$dir/rpmkeys.log"
-        : >"$SUDO_RECORD"
-        : >"$RPMKEYS_RECORD"
-        PANAMA_PATH="$panama_path"
-        # shellcheck source=/dev/null
-        source "$library"
-        CHATGPT_KEY_FILE="$dir/pki/RPM-GPG-KEY-chatgpt"
-        CHATGPT_REPO_FILE="$dir/repos/chatgpt.repo"
-        mkdir -p "$dir/repos"
-        [[ -z "$fingerprint" ]] || CHATGPT_KEY_FINGERPRINT="$fingerprint"
-        chatgpt_install_repository sudo
-    ) >"$dir/out" 2>&1
-}
-
-# ── 2. It fails closed ──────────────────────────────────────────────────────
-
-# A checkout with no pinned key at all.
-empty="$work/no-key"
-mkdir -p "$empty/checkout/setup/keys"
-attempt "$empty" "$empty/checkout" \
-    && note 'a missing pinned key still established the repository'
-[[ ! -e "$empty/repos/chatgpt.repo" ]] \
-    || note 'a missing pinned key still wrote a repository file'
-grep -qi 'missing' "$empty/out" \
-    || note 'a missing pinned key does not say so'
-
-# A key file that is not a key.
-garbage="$work/garbage-key"
-mkdir -p "$garbage/checkout/setup/keys"
-printf 'not a key\n' >"$garbage/checkout/setup/keys/RPM-GPG-KEY-chatgpt"
-attempt "$garbage" "$garbage/checkout" \
-    && note 'an unreadable pinned key still established the repository'
-[[ ! -e "$garbage/repos/chatgpt.repo" ]] \
-    || note 'an unreadable pinned key still wrote a repository file'
-
-# The real key, against a fingerprint that is not its own -- the shape a
-# substituted publisher would take.
-wrong="$work/wrong-fingerprint"
-attempt "$wrong" "$repo_dir" '0000000000000000000000000000000000000000' \
-    && note 'a key that does not match the pinned fingerprint was accepted'
-[[ ! -e "$wrong/repos/chatgpt.repo" ]] \
-    || note 'a fingerprint mismatch still wrote a repository file'
-[[ ! -s "$wrong/rpmkeys.log" ]] \
-    || note 'a fingerprint mismatch still imported the key into the rpm keyring'
-
-# ── 3. What it writes enforces the check ────────────────────────────────────
-
-good="$work/verified"
-if ! attempt "$good" "$repo_dir"; then
-    note "the pinned key was rejected: $(cat "$good/out")"
-else
-    repo_file="$good/repos/chatgpt.repo"
-    key_file="$good/pki/RPM-GPG-KEY-chatgpt"
-
-    cmp -s "$key_file" "$pinned_key" \
-        || note 'the installed key is not the pinned key'
-    grep -q 'import' "$good/rpmkeys.log" \
-        || note 'the verified key was never imported, so dnf has nothing to check against'
-
-    grep -qx 'gpgcheck=1' "$repo_file" \
-        || note 'the repository does not set gpgcheck=1, so package signatures go unchecked'
-    grep -qx 'repo_gpgcheck=1' "$repo_file" \
-        || note 'the repository does not set repo_gpgcheck=1, so the metadata goes unchecked'
-    grep -qx "gpgkey=file://$key_file" "$repo_file" \
-        || note 'the repository does not point gpgkey at the key that was just installed'
-    grep -q 'baseurl=https://' "$repo_file" \
-        || note 'the repository has no https base URL'
-fi
-
-# ── 4. Both callers go through it ───────────────────────────────────────────
-
-for caller in "$installer" "$migration"; do
-    name="${caller#"$repo_dir"/}"
-    [[ -r "$caller" ]] || { note "$name is missing"; continue; }
-
-    grep -q 'setup/lib/chatgpt-package' "$caller" \
-        || note "$name does not source the verified install library"
-    grep -q 'chatgpt_install_repository' "$caller" \
-        || note "$name does not establish the verified repository before installing"
-    grep -qE 'dnf install -y chatgpt\b' "$caller" \
-        || note "$name does not install chatgpt by name from that repository"
-
-    # The shape this contract exists to keep out: fetch an RPM, hand it to
-    # root, and let its scriptlet decide what the machine trusts afterwards.
-    grep -qE 'curl.*chatgpt.*\.rpm' "$caller" \
-        && note "$name downloads a ChatGPT RPM instead of installing it from the verified repository"
-    grep -qE 'dnf install[^|]*\$\{?chatgpt_rpm' "$caller" \
-        && note "$name installs a downloaded ChatGPT RPM as root"
-done
-
-if (( ${#findings[@]} > 0 )); then
-    printf 'chatgpt package contract: %d finding(s)\n' "${#findings[@]}" >&2
-    printf '  - %s\n' "${findings[@]}" >&2
-    exit 1
-fi
-
-printf 'chatgpt package contract: PASS\n'
@@ -11,22 +11,16 @@ manifest="$repo_dir/tests/contracts.manifest"

 discover_contracts() {
    discovered_contracts=()
-    # Byte order, exactly as the runner discovers them. A UTF-8 collation folds
-    # the punctuation away and reorders the pairs that differ only by `-` and
-    # `_`, so a manifest correct here would be wrong on a machine with a
-    # different LANG.
    while IFS= read -r path; do
        [[ -x "$path" || "$path" == *_test.py ]] || continue
        discovered_contracts+=("tests/${path#"$repo_dir/tests/"}")
    done < <(find "$repo_dir/tests" -type f \
-        -not -path '*/fixtures/*' -not -path '*__pycache__*' | LC_ALL=C sort)
+        -not -path '*/fixtures/*' -not -path '*__pycache__*' | sort)
 }

 validate_manifest() {
    local candidate="$1"
    local -n expected_contracts="$2"
-    # Byte order, for the same reason discover_contracts sorts in it.
-    local LC_ALL=C
    local line capabilities path extra previous_comment="" previous_was_comment=0
    local -a capability_list=()
    local -A manifest_paths=() capability_counts=()
@@ -99,9 +99,10 @@ sed -n '/^if \[\[ "\$ROLE" == server \]\]; then/,/^fi/p' "$installer" | grep -q
 # Comments dropped and backslash continuations joined, so a `soft` invocation
 # wrapped across three lines reads as the one command it is.
 uncommented() { grep -vE '^\s*#' "$installer" | sed -e :a -e '/\\$/N; s/\\\n\s*/ /; ta'; }
+uncommented_installer="$(uncommented)"

 while read -r command; do
-    uncommented | grep -q "soft .*$command" \
+    grep -q "soft .*$command" <<<"$uncommented_installer" \
        || note "'$command' runs without soft, so its failure still ends the stage"
 done <<'FRAGILE'
 dnf swap -y 'ffmpeg-free'
@@ -129,7 +130,7 @@ if "rpm -q hyprland" not in after or "exit 1" not in after:
    raise SystemExit(1)
 PY

-uncommented | grep -q 'soft .*HYPR_PACKAGES' \
+grep -q 'soft .*HYPR_PACKAGES' <<<"$uncommented_installer" \
    && note 'the Hyprland install is tolerated, so a machine with no desktop reports success'

 # ── Soft failures are reported ──────────────────────────────────────────────
@@ -65,12 +65,6 @@ trap 'rm -rf "$work"' EXIT

 filter="$(sed -n '/^packages_in()/,/^}/p' "$installer")"
 loop="$(sed -n '/^install_extra_category()/,/^}/p' "$installer")"
-# install_extra_category verifies the Flathub remote before installing a
-# flatpak, and records a soft failure when it cannot. Both live outside the
-# extracted function and have contracts of their own, so they stand in here as
-# trusted -- what is under test is which targets reach which installer.
-deps='ensure_flathub_remote() { :; }
-softly_failed=()'
 [[ -n "$filter" && -n "$loop" ]] || {
    printf 'extras contract: install-packages no longer defines packages_in and install_extra_category\n' >&2
    exit 1
@@ -105,7 +99,6 @@ LIST
    source "$catalog"
    eval "$filter"
    eval "$loop"
-    eval "$deps"
    install_extra_category "$fixture"
 )

@@ -139,7 +132,6 @@ printf 'flatpak:org.example.OnlyFlatpak\n' >"$flatpak_only"
    source "$catalog"
    eval "$filter"
    eval "$loop"
-    eval "$deps"
    install_extra_category "$flatpak_only"
 )
 flatpak_only_status=$?
@@ -157,7 +149,6 @@ grep -q 'flatpak install -y flathub org.example.OnlyFlatpak' <<<"$(cat "$calls"
    source "$catalog"
    eval "$filter"
    eval "$loop"
-    eval "$deps"
    EXTRAS_DIR="$extras_dir"
    for extra in ${PANAMA_EXTRAS:-}; do
        [[ -f "$EXTRAS_DIR/$extra" ]] && install_extra_category "$EXTRAS_DIR/$extra"
@@ -103,10 +103,13 @@ fi

 nvidia="$(run_stage PANAMA_NVIDIA=yes)"

-called "$nvidia" 'dnf install -y akmod-nvidia' \
+called "$nvidia" 'akmod-nvidia' \
    || note 'answering yes to NVIDIA does not install akmod-nvidia'
 called "$nvidia" 'xorg-x11-drv-nvidia-cuda' \
    || note 'the CUDA driver is not installed alongside the kernel module'
+expected_nvidia='sudo dnf install -y --repo=fedora --repo=updates --repo=rpmfusion-free --repo=rpmfusion-free-updates --repo=rpmfusion-nonfree --repo=rpmfusion-nonfree-updates --from-repo=rpmfusion-nonfree,rpmfusion-nonfree-updates akmod-nvidia xorg-x11-drv-nvidia-cuda'
+grep -Fxq -- "$expected_nvidia" <<<"$nvidia" \
+    || note 'the NVIDIA transaction is not limited to reviewed Fedora and RPM Fusion repositories'
 called "$nvidia" 'grubby --update-kernel=ALL' \
    || note 'the kernel arguments are never set'
 called "$nvidia" 'modprobe.blacklist=nouveau' \
@@ -123,8 +123,7 @@ grep -q '/etc/profile.d/nvm.sh' "$stage" \
    || note 'the extension build never sources nvm, so npm is missing on any machine without a system node'

 # node_modules is a dependency tree, not configuration.
-git -C "$repo_dir" check-ignore --no-index -q \
-    "$extension/node_modules/package.json" 2>/dev/null \
+git -C "$repo_dir" check-ignore -q "$extension/node_modules/" 2>/dev/null \
    || note 'the extension node_modules is not gitignored'

 # npm must honour the committed dependency graph. This disposable fixture
@@ -168,65 +167,130 @@ stage_output="$(PATH="$fixture_root/bin:$PATH" PANAMA_PATH="$fixture_root" \
 cmp -s -- "$lock_before" "$lockfile" \
    || note 'a rejected Vicinae lockfile mismatch changed package-lock.json'

-# Editing an existing source file does not change its parent directory's
-# timestamp, so freshness must inspect files rather than the src directory.
-freshness_root="$fixture_root/freshness"
-mkdir -p "$freshness_root/config/local/share/vicinae/scripts" \
-    "$freshness_root/config/local/share/vicinae/extensions/panama-search/src" \
-    "$freshness_root/bin"
-freshness_extension="$freshness_root/config/local/share/vicinae/extensions/panama-search"
-cp -- "$manifest" "$freshness_extension/package.json"
+# Successful builds carry a digest receipt over both manifests and every
+# source file. Directory mtimes do not change when an existing file is edited,
+# so each byte class must independently invalidate the build.
+digest_root="$fixture_root/digest"
+digest_extension="$digest_root/config/local/share/vicinae/extensions/panama-search"
+digest_data="$digest_root/vicinae-data"
+mkdir -p "$digest_root/config/local/share/vicinae/scripts" \
+    "$digest_extension/src" "$digest_extension/assets" "$digest_root/bin"
+cp -- "$manifest" "$digest_extension/package.json"
 cp -- "$repo_dir/config/local/share/vicinae/extensions/panama-search/package-lock.json" \
-    "$freshness_extension/package-lock.json"
-cp -- "$extension/src/search.tsx" "$freshness_extension/src/search.tsx"
-cat >"$freshness_root/bin/npm" <<'EOF'
+    "$digest_extension/package-lock.json"
+cp -- "$repo_dir/config/local/share/vicinae/extensions/panama-search/src/search.tsx" \
+    "$digest_extension/src/search.tsx"
+cp -- "$repo_dir/config/local/share/vicinae/extensions/panama-search/tsconfig.json" \
+    "$digest_extension/tsconfig.json"
+cp -- "$repo_dir/config/local/share/vicinae/extensions/panama-search/assets/extension_icon.svg" \
+    "$digest_extension/assets/extension_icon.svg"
+cat >"$digest_root/bin/npm" <<'EOF'
 #!/usr/bin/env bash
 printf '%s\n' "$*" >>"${NPM_LOG:?}"
-if [[ "${1:-}" == ci ]]; then
-    exit 0
-fi
-if [[ "${1:-} ${2:-}" == 'run build' ]]; then
-    built="${VICINAE_DATA_DIR:?}/extensions/$(basename "$PWD")"
-    mkdir -p "$built"
-    touch "$built"
-    exit 0
-fi
-exit 64
+case "${1:-}:${2:-}" in
+  ci:--silent) exit 0 ;;
+  run:build)
+    mkdir -p "$VICINAE_DATA_DIR/extensions/$(basename "$PWD")"
+    printf 'built\n' >"$VICINAE_DATA_DIR/extensions/$(basename "$PWD")/bundle"
+    ;;
+  *) exit 64 ;;
+esac
 EOF
-chmod +x "$freshness_root/bin/npm"
-: >"$freshness_root/npm.log"
-run_freshness_stage() {
-    PATH="$freshness_root/bin:$PATH" PANAMA_PATH="$freshness_root" \
-        VICINAE_DATA_DIR="$freshness_root/vicinae-data" \
-        NPM_LOG="$freshness_root/npm.log" bash "$stage" >/dev/null 2>&1
+cat >"$digest_root/bin/find" <<'EOF'
+#!/usr/bin/env bash
+set -uo pipefail
+status=0
+/usr/bin/find "$@" || status=$?
+[[ "${STUB_FIND_FAIL:-0}" != 1 ]] || exit 74
+exit "$status"
+EOF
+chmod +x "$digest_root/bin/npm" "$digest_root/bin/find"
+
+run_digest_stage() {
+    : >"$digest_root/npm.log"
+    PATH="$digest_root/bin:$PATH" PANAMA_PATH="$digest_root" \
+        VICINAE_DATA_DIR="$digest_data" NPM_LOG="$digest_root/npm.log" \
+        STUB_FIND_FAIL="${STUB_FIND_FAIL:-0}" \
+        bash "$stage" >"$digest_root/stage.out" 2>&1
 }
-run_freshness_stage || note 'the Vicinae freshness fixture did not build initially'
-initial_builds="$(grep -c '^run build$' "$freshness_root/npm.log")"
-run_freshness_stage || note 'the unchanged Vicinae freshness fixture failed'
-unchanged_builds="$(grep -c '^run build$' "$freshness_root/npm.log")"
-[[ "$unchanged_builds" == "$initial_builds" ]] \
-    || note 'an unchanged Vicinae extension rebuilt unnecessarily'
-touch -d '2030-01-01 UTC' "$freshness_extension/src/search.tsx"
-run_freshness_stage || note 'the source-changed Vicinae freshness fixture failed'
-source_changed_builds="$(grep -c '^run build$' "$freshness_root/npm.log")"
-[[ "$source_changed_builds" -eq $(( initial_builds + 1 )) ]] \
-    || note 'editing an existing Vicinae source file did not trigger a rebuild'

-built_extension="$freshness_root/vicinae-data/extensions/panama-search"
-touch -r "$built_extension" "$freshness_extension/src/search.tsx"
-touch -d '2031-01-01 UTC' "$freshness_extension/package.json"
-run_freshness_stage || note 'the manifest-changed Vicinae freshness fixture failed'
-manifest_changed_builds="$(grep -c '^run build$' "$freshness_root/npm.log")"
-[[ "$manifest_changed_builds" -eq $(( source_changed_builds + 1 )) ]] \
-    || note 'changing a Vicinae package.json did not trigger a rebuild'
+run_digest_stage || note 'the Vicinae digest fixture initial build failed'
+cmp -s <(printf 'ci --silent\nrun build\n') "$digest_root/npm.log" \
+    || note 'the Vicinae digest fixture did not perform its initial locked build'
+run_digest_stage || note 'the unchanged Vicinae digest fixture failed'
+[[ ! -s "$digest_root/npm.log" ]] \
+    || note 'an unchanged Vicinae extension rebuilt despite its matching receipt'

-touch -r "$built_extension" "$freshness_extension/package.json" \
-    "$freshness_extension/src/search.tsx"
-touch -d '2032-01-01 UTC' "$freshness_extension/package-lock.json"
-run_freshness_stage || note 'the lockfile-changed Vicinae freshness fixture failed'
-lockfile_changed_builds="$(grep -c '^run build$' "$freshness_root/npm.log")"
-[[ "$lockfile_changed_builds" -eq $(( manifest_changed_builds + 1 )) ]] \
-    || note 'changing a Vicinae package-lock.json did not trigger a rebuild'
+for digest_input in src/search.tsx package.json package-lock.json tsconfig.json \
+    assets/extension_icon.svg; do
+    printf '\n// digest mutation: %s\n' "$digest_input" >>"$digest_extension/$digest_input"
+    run_digest_stage || note "the Vicinae digest fixture failed after changing $digest_input"
+    cmp -s <(printf 'ci --silent\nrun build\n') "$digest_root/npm.log" \
+        || note "changing existing $digest_input bytes did not rebuild the Vicinae extension"
+done
+
+# A traversal can emit valid-looking partial output and still fail. Sorting
+# that output must not hide find's producer status or replace the successful
+# build receipt with a digest over an incomplete source tree.
+digest_receipt="$digest_data/extensions/panama-search/.panama-source-sha256"
+cp -- "$digest_receipt" "$digest_root/receipt.before-find-failure"
+STUB_FIND_FAIL=1 run_digest_stage \
+    || note 'the Vicinae stage made a digest traversal failure fatal'
+[[ ! -s "$digest_root/npm.log" ]] \
+    || note 'a failed Vicinae digest traversal still rebuilt the extension'
+grep -q 'inputs could not be verified; skipping' "$digest_root/stage.out" \
+    || note 'a failed Vicinae digest traversal was accepted as verified input'
+cmp -s -- "$digest_root/receipt.before-find-failure" "$digest_receipt" \
+    || note 'a failed Vicinae digest traversal replaced the successful receipt'
+
+# Helper writes run in conditional contexts in production, where Bash disables
+# implicit errexit inside the whole function. Each producer therefore has to
+# return its own write/publication failure and remove its temporary receipt.
+vicinae_helpers="$digest_root/vicinae-helpers"
+sed '/^panama_path=/,$d' "$stage" >"$vicinae_helpers"
+: >"$digest_root/empty-inputs"
+mkdir "$digest_root/manifest-output-directory"
+manifest_status=0
+bash -c 'source "$1"; set +e; _write_vicinae_manifest "$2" "$3" "$4"' bash \
+    "$vicinae_helpers" "$digest_extension" "$digest_root/empty-inputs" \
+    "$digest_root/manifest-output-directory" >/dev/null 2>&1 \
+    || manifest_status=$?
+[[ "$manifest_status" -ne 0 ]] \
+    || note 'a failed Vicinae manifest initialization returned success'
+
+receipt_failure_root="$digest_root/receipt-publication-failure"
+mkdir -p "$receipt_failure_root/built" "$receipt_failure_root/bin"
+printf 'prior receipt\n' >"$receipt_failure_root/built/.panama-source-sha256"
+cat >"$receipt_failure_root/bin/mv" <<'EOF'
+#!/usr/bin/env bash
+destination="${!#}"
+[[ "$destination" != */.panama-source-sha256 ]] || exit 75
+exec /usr/bin/mv "$@"
+EOF
+chmod +x "$receipt_failure_root/bin/mv"
+receipt_status=0
+PATH="$receipt_failure_root/bin:$PATH" bash -c \
+    'source "$1"; set +e; _record_vicinae_digest "$2" "$3"' bash \
+    "$vicinae_helpers" "$receipt_failure_root/built" "$(printf 'a%.0s' {1..64})" \
+    >/dev/null 2>&1 || receipt_status=$?
+[[ "$receipt_status" -ne 0 ]] \
+    || note 'a failed Vicinae receipt publication returned success'
+cmp -s <(printf 'prior receipt\n') \
+    "$receipt_failure_root/built/.panama-source-sha256" \
+    || note 'a failed Vicinae receipt publication replaced the prior receipt'
+[[ -z "$(find "$receipt_failure_root/built" \
+    -name '.panama-source-sha256.*' -print -quit)" ]] \
+    || note 'a failed Vicinae receipt publication left a temporary receipt'
+
+# Prove the directory-only ignore rule in a repository where node_modules does
+# not already exist. The trailing slash is part of the query contract.
+ignore_root="$fixture_root/ignore-repository"
+mkdir -p "$ignore_root/config/local/share/vicinae/extensions/panama-search"
+cp -- "$repo_dir/.gitignore" "$ignore_root/.gitignore"
+git -C "$ignore_root" init -q
+git -C "$ignore_root" check-ignore -q \
+    'config/local/share/vicinae/extensions/panama-search/node_modules/' \
+    || note 'a fresh clone with no node_modules directory does not match the ignore rule'

 # ── Report ───────────────────────────────────────────────────────────────────

@@ -187,6 +187,18 @@ case "${1:-}" in
          *) exit 97 ;;
        esac
        ;;
+      ls-tree)
+        [[ "$#" -eq 6 && "$4" == -rz && "$5" == --full-tree \
+          && "$6" == "$PANAMA_BOOT_REVISION" ]] || exit 97
+        object_id="$(/usr/bin/git hash-object --no-filters -- \
+          "$PANAMA_BOOT_FIXTURE_ROOT/stub-install")" || exit 97
+        printf '100755 blob %s\tinstall\0' "$object_id"
+        ;;
+      hash-object)
+        [[ "$#" -eq 6 && "$4" == --no-filters && "$5" == -- \
+          && "$6" == install ]] || exit 97
+        /usr/bin/git hash-object --no-filters -- "$2/$6"
+        ;;
      *) exit 97 ;;
    esac
    ;;
@@ -2,7 +2,7 @@

 # The manual this machine hands an agent.
 #
-# skills/ and .agents/skills/panama exist because an agent asked to do anything
+# skills/ and .claude/skills/panama exist because an agent asked to do anything
 # on a Panama desktop will otherwise infer it from the source and get half of it
 # wrong. That only helps if what the skills say is true -- and a skill is worse
 # than no skill when it is stale, because an agent believes it verbatim and does
@@ -16,7 +16,7 @@
 #      That is a convention on the prose -- name things exactly, in backticks --
 #      and it is how they should be written anyway.
 #   3. The delivery works: link-skills is a stage, in the right place, and the
-#      personal manifest hands both shared skill homes to the linkdir kind.
+#      personal manifest hands ~/.claude/skills over to the linkdir kind.
 #
 # Sections 1 and 2 report clearly and keep going when a skill is not written
 # yet, so this contract is useful while the skills are still being authored.
@@ -32,21 +32,9 @@ manifest="$repo_dir/user/manifest"
 findings=()
 note() { findings+=("$1"); }

-# Every directory under skills/ ships to every machine. The project-level
-# panama skill stays in this repository and needs no home-directory delivery.
-SKILL_DIRS=()
-for directory in "$repo_dir"/skills/*; do
-    [[ -d "$directory" ]] && SKILL_DIRS+=("${directory#"$repo_dir"/}")
-done
-SKILL_DIRS+=(.agents/skills/panama)
-
-# The project skill has one agent-neutral source. Claude gets a compatibility
-# symlink, while Codex and other Agent Skills readers use .agents directly.
-[[ -L "$repo_dir/.claude/skills/panama" ]] \
-    || note '.claude/skills/panama is not a compatibility symlink to the agent-neutral source'
-[[ "$(readlink -f "$repo_dir/.claude/skills/panama" 2>/dev/null)" == \
-   "$(readlink -f "$repo_dir/.agents/skills/panama" 2>/dev/null)" ]] \
-    || note '.claude and .agents resolve the project panama skill differently'
+# The three, and where each is delivered from. The two under skills/ are shipped
+# to every machine; the third is project-level and needs no delivery at all.
+SKILL_DIRS=(skills/panama-desktop skills/panama-sudo .claude/skills/panama)

 # ── 1. Each skill loads ─────────────────────────────────────────────────────

@@ -66,7 +54,7 @@ for relative in "${SKILL_DIRS[@]}"; do
    present+=("$directory")

    # Frontmatter is the first --- delimited block, and a skill without one is
-    # not a skill: agent loaders skip the directory entirely.
+    # not a skill: Claude Code skips the directory entirely.
    frontmatter="$(awk 'NR==1 { if ($0 != "---") exit 1; next } $0 == "---" { exit } { print }' "$file")"
    if [[ -z "$frontmatter" ]]; then
        note "$relative/SKILL.md does not open with a --- frontmatter block"
@@ -219,12 +207,12 @@ else
    work="$(mktemp -d)"
    trap 'rm -rf "$work"' EXIT

-    # A checkout and a home of its own. Never the real ones: these are somebody's
-    # live agent setup, and a contract that broke them mid-session would be worse
-    # than the bug it was looking for.
+    # A checkout and a home of its own. Never the real ones: ~/.claude/skills on
+    # this machine is somebody's live agent setup, and a contract that broke it
+    # mid-session would be worse than the bug it was looking for.
    checkout="$work/Panama"
    home="$work/home"
-    mkdir -p "$checkout/setup/scripts" "$checkout/skills/shipped" "$home/.claude" "$home/.agents"
+    mkdir -p "$checkout/setup/scripts" "$checkout/skills/shipped" "$home/.claude"
    cp "$linker" "$checkout/setup/scripts/link-skills"
    printf 'a shipped skill\n' >"$checkout/skills/shipped/SKILL.md"

@@ -232,7 +220,6 @@ else
    # symlink, which is what link-user used to leave here.
    mkdir -p "$work/personal"
    ln -s "$work/personal" "$home/.claude/skills"
-    ln -s "$work/personal" "$home/.agents/skills"

    run() { HOME="$home" PANAMA_PATH="$checkout" "$checkout/setup/scripts/link-skills" >"$work/log" 2>&1; }

@@ -244,30 +231,22 @@ else
        || note 'link-skills left ~/.claude/skills a symlink, so nothing else can be linked into it'
    [[ -L "$home/.claude/skills/shipped" ]] \
        || note 'link-skills did not link each shipped skill as a child of ~/.claude/skills'
-    [[ -d "$home/.agents/skills" && ! -L "$home/.agents/skills" ]] \
-        || note 'link-skills left ~/.agents/skills a symlink, so shipped and personal skills cannot coexist'
-    [[ -L "$home/.agents/skills/shipped" ]] \
-        || note 'link-skills did not link each shipped skill as a child of ~/.agents/skills'
    grep -q 'Agent skills: 1 linked' "$work/log" \
        || note 'link-skills does not report how many skills it linked'

    # A real directory at a shipped skill's name is somebody's work: it moves to
    # config/old rather than being deleted, the same promise the other stages
    # make. A symlink is not, and must not accumulate there.
-    for skill_home in "$home/.claude/skills" "$home/.agents/skills"; do
-        rm -f "$skill_home/shipped"
-        mkdir -p "$skill_home/shipped"
-        printf 'installed by hand\n' >"$skill_home/shipped/SKILL.md"
-        mkdir -p "$skill_home/untouched"
-    done
+    rm "$home/.claude/skills/shipped"
+    mkdir -p "$home/.claude/skills/shipped"
+    printf 'installed by hand\n' >"$home/.claude/skills/shipped/SKILL.md"
+    mkdir -p "$home/.claude/skills/untouched"

    run
-    [[ "$(grep -rl 'installed by hand' "$checkout/config/old" 2>/dev/null | wc -l)" == 2 ]] \
-        || note 'link-skills did not preserve real skills from both agent homes'
-    for skill_home in "$home/.claude/skills" "$home/.agents/skills"; do
-        [[ -d "$skill_home/untouched" ]] \
-            || note "link-skills removed an unshipped skill from $skill_home"
-    done
+    grep -rq 'installed by hand' "$checkout/config/old" 2>/dev/null \
+        || note 'link-skills destroyed a real skill instead of moving it to config/old'
+    [[ -d "$home/.claude/skills/untouched" ]] \
+        || note 'link-skills removed a skill it does not ship'

    before="$(find "$checkout/config/old" | wc -l)"
    run
@@ -308,8 +287,8 @@ fi

 grep -qE '^\s*linkdir\s+agents/skills\s+~/\.claude/skills\s*$' "$manifest" \
    || note 'the manifest does not use linkdir for ~/.claude/skills, so personal skills would replace the directory'
-grep -qE '^\s*linkdir\s+agents/skills\s+~/\.agents/skills\s*$' "$manifest" \
-    || note 'the manifest does not use linkdir for ~/.agents/skills, so personal skills would replace shipped skills'
+grep -qE '^\s*link\s+agents/skills\s+~/\.agents/skills\s*$' "$manifest" \
+    || note '~/.agents/skills is no longer a whole-directory link, and nothing else claims that path'
 grep -q 'linkdir)' "$user_linker" \
    || note 'link-user does not implement the linkdir kind the manifest asks for'
 grep -q 'linkdir' "$repo_dir/user/README.md" \
@@ -39,12 +39,6 @@ trap 'rm -rf "$tmp"' EXIT
 STAGE_NAMES=(install-packages link-dotfiles link-skills link-user change-settings
             link-vicinae-scripts setup-server link-server setup-identity
             install-hardware)
-PACKAGE_BEHAVIOR_INPUTS=(
-    setup/lib/artifact-provenance
-    setup/lib/chatgpt-package
-    setup/lib/extras-catalog
-    setup/lib/machine-role
-)

 copy_hash_inputs() {
    local root="$1" source relative
@@ -56,10 +50,10 @@ copy_hash_inputs() {
        find "$repo_dir/setup/packages" -maxdepth 1 -type f -print0
        find "$repo_dir/setup/provenance" -type f -print0
    )
-    for relative in "${PACKAGE_BEHAVIOR_INPUTS[@]}"; do
-        mkdir -p "$(dirname "$root/$relative")"
-        cp -- "$repo_dir/$relative" "$root/$relative"
-    done
+    mkdir -p "$root/setup/lib"
+    cp -- "$repo_dir/setup/lib/artifact-provenance" \
+        "$repo_dir/setup/lib/extras-catalog" \
+        "$repo_dir/setup/lib/machine-role" "$root/setup/lib/"
 }

 # A PANAMA_PATH that looks enough like the real one for install to run, and
@@ -69,7 +63,7 @@ build_fixture() {
    rm -rf "$root"
    mkdir -p "$root/bin" "$root/setup/scripts" "$root/setup/packages" \
             "$root/setup/lib" "$root/setup/provenance/keys" \
-             "$root/config/dot/quickshell/scripts"
+             "$root/config/dot/quickshell/scripts" "$root/tmp"

    cp "$installer" "$root/install"
    : >"$root/bin/ascii"
@@ -134,6 +128,46 @@ EOF
 #!/usr/bin/env bash
 printf 'dnf-transaction\n' >>"$PANAMA_RAN"
 exit 0
+EOF
+    cat >"$root/shim/mv" <<'EOF'
+#!/usr/bin/env bash
+set -euo pipefail
+destination="${!#}"
+if [[ "${STUB_SIGNAL_PACKAGES_HASH:-0}" == 1 \
+    && "$destination" == */state/panama/packages-hash ]]; then
+    printf 'signal:packages-receipt\n' >>"$PANAMA_RAN"
+    pgid="$(ps -o pgid= -p $$ | tr -d ' ')"
+    kill -TERM -- "-$pgid"
+    sleep 2
+fi
+exec /usr/bin/mv "$@"
+EOF
+    cat >"$root/shim/mktemp" <<'EOF'
+#!/usr/bin/env bash
+set -euo pipefail
+if [[ "${STUB_SIGNAL_HASH_WORK:-0}" == 1 && "${1:-}" == -d ]]; then
+    directory="$(/usr/bin/mktemp "$@")"
+    printf '%s\n' "$directory"
+    printf 'signal:packages-hash-work\n' >>"$PANAMA_RAN"
+    pgid="$(ps -o pgid= -p $$ | tr -d ' ')"
+    kill -TERM -- "-$pgid"
+    sleep 2
+fi
+exec /usr/bin/mktemp "$@"
+EOF
+    cat >"$root/shim/mkdir" <<'EOF'
+#!/usr/bin/env bash
+set -euo pipefail
+target="${!#}"
+if [[ "${STUB_SIGNAL_HASH_WORK:-0}" == 1 \
+    && "$(basename -- "$target")" == panama-packages-hash.* ]]; then
+    /usr/bin/mkdir "$@"
+    printf 'signal:packages-hash-work\n' >>"$PANAMA_RAN"
+    pgid="$(ps -o pgid= -p $$ | tr -d ' ')"
+    kill -TERM -- "-$pgid"
+    sleep 2
+fi
+exec /usr/bin/mkdir "$@"
 EOF
    for prerequisite in gum lspci mokutil fwupdmgr; do
        ln -s gsettings "$root/shim/$prerequisite"
@@ -147,7 +181,8 @@ run_install() {
    local status=0
    : >"$root/ran"
    PATH="$root/shim:$PATH" PANAMA_PATH="$root" PANAMA_RAN="$root/ran" \
-      XDG_STATE_HOME="$root/state" bash "$root/install" "$@" \
+      XDG_STATE_HOME="$root/state" TMPDIR="$root/tmp" \
+      /usr/bin/setsid bash "$root/install" "$@" \
      >"$root/out" 2>&1 || status=$?
    cat "$root/ran"
    return "$status"
@@ -155,7 +190,8 @@ run_install() {

 run_hash() {
    local root="$1"
-    sed -n '/^hash_packages() {/,/^}$/p' "$root/install" >"$root/hash-only"
+    sed -n '/^_collect_package_inputs() {/,/^PACKAGE_START_HASH=/p' \
+        "$root/install" >"$root/hash-only"
    printf 'set -uo pipefail\nhash_packages\n' >>"$root/hash-only"
    PANAMA_PATH="$root" bash "$root/hash-only" 2>"$root/hash-only.err"
 }
@@ -263,7 +299,8 @@ grep -qx 'install-packages' <<<"$ran_forced" \
 # Dynamically discovering them makes this fail when a new reviewed input is
 # added but omitted from hash_packages.
 for relative in "${package_inputs[@]}" "${provenance_inputs[@]}" \
-    'setup/scripts/install-packages' "${PACKAGE_BEHAVIOR_INPUTS[@]}"; do
+    'setup/scripts/install-packages' 'setup/lib/artifact-provenance' \
+    'setup/lib/extras-catalog' 'setup/lib/machine-role'; do
    printf 'changed %s\n' "$relative" >>"$tmp/a/$relative"
    install_status=0
    ran_input_changed="$(run_install "$tmp/a" --upgrade)" || install_status=$?
@@ -290,7 +327,8 @@ done
 # Fixed hash inputs must not silently disappear or degrade into a directory or
 # link. An unreadable package input also proves a failed content read cannot be
 # hidden by the final digest command.
-for fixed_input in setup/scripts/install-packages "${PACKAGE_BEHAVIOR_INPUTS[@]}"; do
+for fixed_input in setup/scripts/install-packages setup/lib/artifact-provenance \
+    setup/lib/extras-catalog setup/lib/machine-role; do
    for case_name in missing directory symlink unreadable; do
        case_root="$tmp/hash-${fixed_input//\//-}-$case_name"
        build_fixture "$case_root"
@@ -313,6 +351,27 @@ build_fixture "$read_failure_root"
 chmod 000 "$read_failure_root/${package_inputs[0]}"
 assert_hash_failure "$read_failure_root" "${package_inputs[0]} unreadable"

+# Discovery must reject a symlink instead of silently dropping it from the
+# receipt while a later consumer follows it.
+for discovered_root in setup/packages setup/provenance; do
+    case_root="$tmp/hash-${discovered_root//\//-}-symlink"
+    build_fixture "$case_root"
+    printf 'linked installer input\n' >"$case_root/symlink-target"
+    ln -s "$case_root/symlink-target" "$case_root/$discovered_root/symlink-input"
+    assert_hash_failure "$case_root" "$discovered_root symlink input"
+done
+
+# Discovery roots are behavior inputs too. GNU find -P treats a symlink passed
+# as its starting path as an empty traversal, so checking only descendants can
+# silently erase a whole package or provenance tree from the receipt.
+for discovered_root in setup/packages setup/provenance; do
+    case_root="$tmp/hash-${discovered_root//\//-}-root-symlink"
+    build_fixture "$case_root"
+    mv -- "$case_root/$discovered_root" "$case_root/$discovered_root.real"
+    ln -s "$case_root/$discovered_root.real" "$case_root/$discovered_root"
+    assert_hash_failure "$case_root" "$discovered_root discovery-root symlink"
+done
+
 # A hash failure is an installer failure, not a reason to skip the package
 # stage and retain a stale stamp.
 build_fixture "$tmp/hash-failure"
@@ -328,26 +387,61 @@ grep -qx 'install-packages' <<<"$ran_hash_failure" \
 cmp -s -- "$tmp/hash-failure/stamp-before" "$tmp/hash-failure/state/panama/packages-hash" \
    || note 'a failed package-state hash wrote a new packages-hash stamp'

-# Inputs changed while install-packages was running were not the inputs it
-# consumed at the start. Do not stamp the later bytes as successfully applied.
-build_fixture "$tmp/hash-mid-stage-drift"
-cat >"$tmp/hash-mid-stage-drift/setup/scripts/install-packages" <<'EOF'
+# The stage may race its own input receipt. A successful stage that changes a
+# sourced behavior file must not stamp the new digest as though it were the
+# bytes used to decide this run.
+build_fixture "$tmp/hash-drift"
+cat >"$tmp/hash-drift/setup/scripts/install-packages" <<'EOF'
 #!/usr/bin/env bash
 if [[ "${1:-}" == --trust-preflight ]]; then
  printf 'trust-preflight\n' >>"$PANAMA_RAN"
  exit 0
 fi
 printf 'install-packages\n' >>"$PANAMA_RAN"
-printf '\nchanged during package installation\n' >>"$PANAMA_PATH/setup/lib/machine-role"
+printf '# changed during package stage\n' >>"$PANAMA_PATH/setup/lib/machine-role"
 EOF
-chmod +x "$tmp/hash-mid-stage-drift/setup/scripts/install-packages"
+chmod +x "$tmp/hash-drift/setup/scripts/install-packages"
 install_status=0
-run_install "$tmp/hash-mid-stage-drift" --upgrade >/dev/null || install_status=$?
+run_install "$tmp/hash-drift" --upgrade >/dev/null || install_status=$?
 [[ "$install_status" -ne 0 ]] \
    || note 'mid-stage package input drift returned success'
-[[ ! -e "$tmp/hash-mid-stage-drift/state/panama/packages-hash" ]] \
+[[ ! -e "$tmp/hash-drift/state/panama/packages-hash" ]] \
    || note 'mid-stage package input drift stamped bytes the stage did not start with'

+# The hash workspace exists before command substitution publishes its pathname.
+# A process-group signal in that window must still remove the private tree.
+build_fixture "$tmp/hash-work-signal"
+install_status=0
+signal_run="$(STUB_SIGNAL_HASH_WORK=1 \
+    run_install "$tmp/hash-work-signal" --upgrade)" || install_status=$?
+[[ "$install_status" -eq 143 ]] \
+    || note "package hash workspace signal returned $install_status instead of 143"
+grep -qx 'signal:packages-hash-work' <<<"$signal_run" \
+    || note 'package hash workspace adapter did not deliver a real process-group signal'
+[[ -z "$(find "$tmp/hash-work-signal/tmp" -mindepth 1 -print -quit)" ]] \
+    || note 'package hash workspace signal left a private temporary directory'
+
+# A real process-group signal at the final receipt rename must preserve the
+# prior stamp and remove the private temporary receipt.
+build_fixture "$tmp/hash-receipt-signal"
+run_install "$tmp/hash-receipt-signal" --upgrade >/dev/null
+cp -- "$tmp/hash-receipt-signal/state/panama/packages-hash" \
+    "$tmp/hash-receipt-signal/stamp-before"
+install_status=0
+signal_run="$(STUB_SIGNAL_PACKAGES_HASH=1 \
+    run_install "$tmp/hash-receipt-signal" --upgrade --packages)" \
+    || install_status=$?
+[[ "$install_status" -eq 143 ]] \
+    || note "package receipt signal returned $install_status instead of 143"
+grep -qx 'signal:packages-receipt' <<<"$signal_run" \
+    || note 'package receipt signal adapter did not deliver a real process-group signal'
+cmp -s -- "$tmp/hash-receipt-signal/stamp-before" \
+    "$tmp/hash-receipt-signal/state/panama/packages-hash" \
+    || note 'package receipt signal replaced the prior hash stamp'
+[[ -z "$(find "$tmp/hash-receipt-signal/state/panama" \
+    -name '.packages-hash.*' -print -quit)" ]] \
+    || note 'package receipt signal left a temporary hash stamp'
+
 # A failing stage must not record the hash, or the failure is hidden forever.
 build_fixture "$tmp/c" 1
 install_status=0
@@ -360,48 +454,30 @@ fi
 grep -qx 'link-dotfiles' "$tmp/c/ran" \
    || note 'an ordinary package-stage failure no longer allows later safe stages'

-# An untrusted Terra root is not an ordinary package failure, and it is not a
-# reason to abandon the machine either. It suppresses the stages that open DNF
-# and the migrations, which are free to run a transaction of their own. Every
-# stage that only links configuration still runs, and the status stays 78.
-SAFE_STAGES=(link-dotfiles link-skills link-user link-vicinae-scripts)
-DNF_SUPPRESSED=(install-packages change-settings install-hardware)
-
-assert_trust_refusal() {
-    local root="$1" label="$2" suppressed safe
-    for suppressed in "${DNF_SUPPRESSED[@]}"; do
-        grep -qx "$suppressed" "$root/ran" \
-            && note "$label still ran $suppressed"
-    done
-    grep -q '^migrate ' "$root/ran" \
-        && note "$label still ran migrations, which may open a DNF transaction"
-    for safe in "${SAFE_STAGES[@]}"; do
-        grep -qx "$safe" "$root/ran" \
-            || note "$label suppressed $safe, which touches no repository"
-    done
-}
-
+# An invalid enabled Terra root is not an ordinary package failure. It must
+# stop before the installer's bootstrap DNF and before every stage.
 build_fixture "$tmp/terra-preflight-hard" 0 78
 install_status=0
 run_install "$tmp/terra-preflight-hard" >/dev/null || install_status=$?
 [[ "$install_status" -eq 78 ]] \
    || note "initial Terra trust failure returned $install_status instead of 78"
-grep -qx 'trust-preflight' "$tmp/terra-preflight-hard/ran" \
-    || note 'initial Terra trust fixture never reached the preflight'
-assert_trust_refusal "$tmp/terra-preflight-hard" 'initial Terra trust failure'
+asserted_preflight="$(<"$tmp/terra-preflight-hard/ran")"
+[[ "$asserted_preflight" == trust-preflight ]] \
+    || note "initial Terra trust failure allowed later work: ${asserted_preflight//$'\n'/,}"

-# The trust verifier is itself mandatory. Losing its executable adapter refuses
-# package work exactly as a failing verdict does, rather than being ignored.
+# The trust verifier is itself mandatory. Losing its executable adapter must
+# fail closed before interview, bootstrap, or stage work.
 build_fixture "$tmp/terra-preflight-missing"
 rm "$tmp/terra-preflight-missing/setup/scripts/install-packages"
 install_status=0
 run_install "$tmp/terra-preflight-missing" >/dev/null || install_status=$?
 [[ "$install_status" -eq 78 ]] \
    || note "missing Terra trust verifier returned $install_status instead of 78"
-assert_trust_refusal "$tmp/terra-preflight-missing" 'missing Terra trust verifier'
+[[ ! -s "$tmp/terra-preflight-missing/ran" ]] \
+    || note 'missing Terra trust verifier allowed later work'

 # The package stage repeats the preflight to close a configuration-change race.
-# Its hard status suppresses the DNF stages that would have followed it.
+# Its hard status must also stop link stages and install-hardware immediately.
 build_fixture "$tmp/terra-stage-hard" 78 0
 install_status=0
 run_install "$tmp/terra-stage-hard" >/dev/null || install_status=$?
@@ -409,15 +485,67 @@ run_install "$tmp/terra-stage-hard" >/dev/null || install_status=$?
    || note "stage-time Terra trust failure returned $install_status instead of 78"
 grep -qx 'install-packages' "$tmp/terra-stage-hard/ran" \
    || note 'stage-time Terra trust fixture never reached install-packages'
-for suppressed in change-settings install-hardware; do
+for suppressed in link-dotfiles link-skills link-user change-settings install-hardware dnf-transaction; do
    grep -qx "$suppressed" "$tmp/terra-stage-hard/ran" \
        && note "stage-time Terra trust failure still ran $suppressed"
 done
-grep -q '^migrate ' "$tmp/terra-stage-hard/ran" \
-    && note 'stage-time Terra trust failure still ran migrations'
-for safe in "${SAFE_STAGES[@]}"; do
-    grep -qx "$safe" "$tmp/terra-stage-hard/ran" \
-        || note "stage-time Terra trust failure suppressed $safe"
+
+# Exercise the complete real package entrypoint at the second boundary. The
+# outer preflight sees no Terra repository; the same DNF adapter exposes an
+# unsafe enabled Terra identity to the package stage's own preflight. Removing
+# that production call would reach the transaction marker below.
+real_preflight_root="$tmp/real-second-preflight"
+build_fixture "$real_preflight_root"
+cp -- "$repo_dir/setup/scripts/install-packages" \
+    "$real_preflight_root/setup/scripts/install-packages"
+chmod +x "$real_preflight_root/setup/scripts/install-packages"
+mkdir -p "$real_preflight_root/state/panama"
+printf 'server\n' >"$real_preflight_root/state/panama/role"
+cat >"$real_preflight_root/shim/dnf" <<'EOF'
+#!/usr/bin/env bash
+set -euo pipefail
+if [[ "$*" == '--quiet --no-plugins --dump-repo-config=*' ]]; then
+    count=0
+    [[ ! -f "$PANAMA_DNF_DUMP_COUNT" ]] || read -r count <"$PANAMA_DNF_DUMP_COUNT"
+    count=$((count + 1))
+    printf '%s\n' "$count" >"$PANAMA_DNF_DUMP_COUNT"
+    printf 'dnf-dump\n' >>"$PANAMA_RAN"
+    printf '======== "fedora" repository configuration: ========\n'
+    printf 'baseurl = \nenabled = 1\ngpgcheck = 1\n'
+    printf 'gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-44-primary\n'
+    printf 'metalink = https://mirrors.fedoraproject.org/metalink\nmirrorlist\n'
+    printf 'pkg_gpgcheck = 0\nrepo_gpgcheck = 0\n'
+    if (( count == 2 )); then
+        printf '======== "terra" repository configuration: ========\n'
+        printf 'baseurl = https://evil.invalid/terra44\nenabled = 1\ngpgcheck = 0\n'
+        printf 'gpgkey = https://evil.invalid/key\n'
+        printf 'metalink = \nmirrorlist = \npkg_gpgcheck = 0\nrepo_gpgcheck = 0\n'
+    fi
+    exit 0
+fi
+printf 'dnf-transaction\n' >>"$PANAMA_RAN"
+exit 0
+EOF
+chmod +x "$real_preflight_root/shim/dnf"
+printf '0\n' >"$real_preflight_root/dnf-dump-count"
+: >"$real_preflight_root/ran"
+real_preflight_status=0
+PATH="$real_preflight_root/shim:$PATH" \
+    PANAMA_PATH="$real_preflight_root" PANAMA_RAN="$real_preflight_root/ran" \
+    PANAMA_DNF_DUMP_COUNT="$real_preflight_root/dnf-dump-count" \
+    XDG_STATE_HOME="$real_preflight_root/state" \
+    bash "$real_preflight_root/install" --upgrade --packages \
+    >"$real_preflight_root/out" 2>&1 || real_preflight_status=$?
+[[ "$real_preflight_status" -eq 78 ]] \
+    || note "real second repository preflight returned $real_preflight_status instead of 78"
+[[ "$(<"$real_preflight_root/dnf-dump-count")" == 2 ]] \
+    || note "real package entrypoint executed $(<"$real_preflight_root/dnf-dump-count") repository preflights instead of two: $(tr '\n' ' ' <"$real_preflight_root/out")"
+[[ "$(grep -c '^dnf-dump$' "$real_preflight_root/ran")" -eq 2 ]] \
+    || note "real second preflight fixture log was: $(tr '\n' ',' <"$real_preflight_root/ran")"
+for suppressed in dnf-transaction link-dotfiles link-skills link-user change-settings \
+    install-hardware; do
+    grep -qx "$suppressed" "$real_preflight_root/ran" \
+        && note "real second repository preflight still ran $suppressed"
 done

 # A full install always runs the stage, whatever any recorded hash says.
@@ -73,7 +73,7 @@ cat >"$checkout/user/manifest" <<'FIXTURE'
 # a comment, and a blank line follow

 link     agents/AGENTS.md  ~/.claude/CLAUDE.md
-linkdir  agents/skills     ~/.agents/skills
+link     agents/skills     ~/.agents/skills
 linkdir  agents/skills     ~/.claude/skills
 copy     plain.txt         ~/.config/plain.txt
 link     missing.txt       ~/.config/missing.txt
@@ -102,12 +102,11 @@ PANAMA_USER_CONTENT=no run

 # ── 2. Saying yes links, and keeps what was there ───────────────────────────

-# Both skill homes are shared now: link-skills has already made them real
-# directories and linked Panama's own skills into each. Personal linkdir
-# entries land beside those rather than replacing either directory.
-mkdir -p "$home/.claude/skills" "$home/.agents/skills"
+# ~/.claude/skills is shared now: link-skills has already made it a real
+# directory and linked Panama's own skills into it. A linkdir entry has to land
+# beside those rather than replace the directory holding them.
+mkdir -p "$home/.claude/skills"
 ln -s "$checkout/skills/shipped" "$home/.claude/skills/shipped"
-ln -s "$checkout/skills/shipped" "$home/.agents/skills/shipped"

 PANAMA_USER_CONTENT=yes run

@@ -115,12 +114,8 @@ PANAMA_USER_CONTENT=yes run
    || note 'CLAUDE.md was not replaced with a symlink into the checkout'
 [[ "$(cat "$home/.claude/CLAUDE.md")" == "tracked instructions" ]] \
    || note 'the CLAUDE.md link does not resolve to the tracked file'
-[[ -d "$home/.agents/skills" && ! -L "$home/.agents/skills" ]] \
-    || note 'a linkdir entry replaced ~/.agents/skills with a symlink'
-[[ -L "$home/.agents/skills/example" && -f "$home/.agents/skills/example/SKILL.md" ]] \
-    || note 'a linkdir entry did not publish the personal skill for agent-neutral readers'
-[[ -L "$home/.agents/skills/shipped" ]] \
-    || note 'a linkdir entry removed the shipped skill from ~/.agents/skills'
+[[ -L "$home/.agents/skills" && -f "$home/.agents/skills/example/SKILL.md" ]] \
+    || note 'the skills directory was not linked as a directory'
 [[ -d "$home/.claude/skills" && ! -L "$home/.claude/skills" ]] \
    || note 'a linkdir entry replaced its destination directory with a symlink'
 [[ -L "$home/.claude/skills/example" && -f "$home/.claude/skills/example/SKILL.md" ]] \
@@ -13,7 +13,7 @@ and one file says where each piece goes.
 | Path | Goes to | Why |
 | --- | --- | --- |
 | `agents/AGENTS.md` | `~/.claude/CLAUDE.md`, `~/.codex/AGENTS.md` | Two tools, two names, one file. These were byte-identical copies before this, waiting to disagree. |
-| `agents/skills/` | `~/.agents/skills`, `~/.claude/skills` | Personal skills live once in the checkout. Both destinations use `linkdir` so Panama's shipped skills can live beside them. |
+| `agents/skills/` | `~/.agents/skills`, `~/.claude/skills` | A skill installed on any machine lands in the checkout. The Claude path is `linkdir` — see below. |
 | `agents/rules/` | `~/.claude/rules` | |
 | `ssh/config` | `~/.ssh/config` | Host aliases only. Keys are per-machine and are never tracked. |
 | `espanso/identity.yml` | `~/.config/espanso/match/identity.yml` | Copied, not linked, because a machine may add its own triggers. |
@@ -27,22 +27,22 @@ destination is empty. `linkdir` is the third, and it exists because one
 destination is no longer only ours.

 Panama ships its own agent skills now (`skills/`, linked by
-`setup/scripts/link-skills`), and they go to both skill homes. A directory
-cannot be a symlink to two places, so both personal entries use `linkdir`: each
-destination is a real directory, and each child of `user/agents/skills/` is
-linked into it individually.
+`setup/scripts/link-skills`), and they go to `~/.claude/skills` — the same
+directory the personal ones went to as a single symlink. A directory cannot be
+a symlink to two places, so that entry became `linkdir`: the destination is a
+real directory, and each child of `user/agents/skills/` is linked into it
+individually. `~/.agents/skills` is still a whole-directory `link`, because
+nothing else claims it.

 Two consequences, recorded rather than fixed:

 - **A personal skill named like a shipped one shadows it.** `link-user` runs
-  after `link-skills` and displaces what it finds, so the personal one wins in
-  both skill homes.
+  after `link-skills` and displaces what it finds, so the personal one wins.
+  That is the intent, and it is the precedence Claude Code uses anyway.
 - **A new personal skill needs a re-link to appear.** The whole-directory link
  showed a newly created skill instantly; per-child links do not know about a
-  child that did not exist when they were made. Put new shared skills in
-  `user/agents/skills/`, then run `panama update` or `setup/scripts/link-user`.
-  A tool that installs directly into a home skill directory creates a
-  machine-local skill until it is moved into the checkout.
+  child that did not exist when they were made. Run `panama update` or
+  `setup/scripts/link-user` after adding one.

 ## It is off unless you say yes

@@ -62,40 +62,6 @@ I wanted to share some of my preferences here so we can be more aligned as we wo

 ---

-# The prose bar
-
-Anything a person other than me will read gets a pattern pass before it ships. MR and PR
-descriptions, ticket fields, deliverable documents, reports, anything handed to a
-teammate or a client. Invoke the `unslop` skill and apply its pattern detection.
-
- Skip its "Adding soul" section. Opinions and deliberate mess are right for an essay and
-  wrong for a risk table or a status field. These want plain, factual, and specific.
- No em dashes, en dashes, semicolons, or arrow glyphs in prose. This is stricter than
-  unslop's own punctuation pattern, and mine wins. Grep the file before calling it done.
- Passive voice is the usual offender in technical writing, not puffery. "X was verified"
-  wants to be "I verified X", which is shorter and says who did it.
- Short reference cells still count. Three sentences wrapped around a filename is prose.
- Never rewrite generated output. If a tool produced a block, an audit verdict or a test
-  report, regenerate it rather than editing its words.
- Write it as me, in first person. Never use my name or a stand-in for it. Not "Gib
-  decided", not "the author", not "per the developer". If a sentence needs an actor, it
-  is "I".
- Never flag one of my own decisions as a deviation. Don't write that something was out
-  of scope, that an AC or dev review said otherwise, that an earlier story should have
-  caught it, or that a direction was reversed. I write the tickets, so I am allowed to
-  change them, and a dev review is a proposal rather than a contract. Calling it out
-  reads as my own AI tattling on me. It waves a red flag at a nothing burger, costs the
-  PM time investigating a non-issue, and leaves them thinking I did something wrong.
-  State what the change is and why it belongs where it is, then stop.
- If a decision feels big enough that you want to narrate it, ask me about it before
-  writing rather than annotating it in the document. Being aligned first is the point,
-  and the writing should read as though we always were.
-
-Files only I read are exempt: plans, scratch notes, working records. Those can name me
-and record who decided what, because that history is useful.
-
---
-
 # Merge Requests

 - Make sure titles follow conventions from the repo.
@@ -118,8 +84,5 @@ and record who decided what, because that history is useful.
  - Henry reviews all of my code & up until recently, would also write all the dev reviews for all the stories I completed as well. Nowadays, I write them myself & he reviews those too.
  - Henry likes work to be very considerate & he always prefers solutions that result in 0 downtime.
    - Despite the fact that Command Center does not have many users & the impact of it being down for a few minutes is small, Henry still leans on the side of solutions to problems that don't result in prod being down ever, even for just a few minutes during the build process. So our solutions should always keep that in mind. Any code that isn't considering everything & could result in a bug will probably be flagged by him, so its worthwhile to do right the first time!
- Josh - Tech Lead for the APSCA project (apsca_next)
-  - On APSCA, Josh is my lead instead of Henry. He reviews my code and writes the dev reviews, spikes, and proposed schemas on the APSCA stories.
-  - His dev reviews are detailed and often include draft code, schema, and state machines. Treat them as the starting point for a story, not as a finished spec.
 - Hunter Southworth - Engineering Manager / Senior Developer
 - Kelson - Owner of Ksense
@@ -1,21 +0,0 @@
-# MCP servers registered with the local agent runtimes.
-#
-#   <name>  <transport>  <url>  <token variable>
-#
-# The token variable names an entry in user/agents/mcp/env, which is ignored by
-# git. This file carries no secret, so it is tracked like the rest of user/ and
-# a new machine gets the same servers by dropping its own env file beside it.
-#
-# A row with no token variable registers without an Authorization header.
-#
-# Lines beginning with # are comments and blank lines are ignored.
-
-# The NanoKVM boards. These give an agent full console control of each machine,
-# including the parts SSH cannot reach: firmware, a locked screen, and the GUI
-# prompts Xcode and the keychain raise during a signed iOS build.
-nanokvm-fedora  http  https://nano.gbrown.org/api/mcp     NANOKVM_FEDORA_TOKEN
-nanokvm-mac     http  https://macnano.gbrown.org/api/mcp  NANOKVM_MAC_TOKEN
-
-# Bill Tracker's hosted MCP server. No token: it is an OAuth server of its own
-# and Claude Code signs in through Gib's Auth on first use.
-bill-tracker    http  https://mcp.billtracker.gbrown.org/mcp
@@ -1,6 +1,6 @@
 ---
 name: ticket
-description: End-to-end Jira ticket workflow — fetch a ticket into .claude/docs/epics/, write a plan, implement it with clean commits, drive the pre-mr-review audit to convergence (the user runs it themselves from their work Claude account), and write the MR doc. Use when the user gives you a Jira ticket key (e.g. KACP-11111) to work, or asks to plan/implement/wrap up a ticket.
+description: End-to-end Jira ticket workflow — fetch a ticket into .claude/docs/epics/, write a plan, implement it with clean commits, run pre-mr-review to convergence, and write the MR doc. Use when the user gives you a Jira ticket key (e.g. KACP-11111) to work, or asks to plan/implement/wrap up a ticket.
 disable-model-invocation: true
 ---

@@ -108,63 +108,6 @@ rerun it, and verify the device log instead of accepting the fallback transcript
 - Don't check a checklist box (in `mr.md` or anywhere else) unless you actually verified
  it. Leave it unchecked and say why in the notes rather than guessing.

-## The prose bar (anything another person reads)
-
-Everything this skill produces for someone else gets a pattern pass before it ships:
-`mr.md`'s Summary and Additional Notes, every Jira field including the proof and
-mitigation cells, and every deliverable document. Call the Skill tool with "unslop" and
-apply its pattern detection.
-
- **Skip unslop's "Adding soul" section.** It asks for opinions, varied rhythm, and some
-  mess. That is right for an essay and wrong for a mitigation cell Henry is auditing.
-  These want plain, factual, and specific.
- **Never edit generated output.** The pre-MR handoff pasted into `mr.md` is the audit's
-  own words. If it reads badly, regenerate it, don't rewrite it.
- **Proof cells are prose too.** A cell that wraps three sentences around a filename is
-  writing, not a citation, and it picks up passive voice and jargon like any other
-  paragraph. Real examples caught this way: "affordance" for button, "vacuously" for
-  "for the wrong reason", "the test was confirmed able to fail" for "I emptied the
-  legacy render and confirmed the test fails".
- **Passive voice is the usual offender here,** not puffery. Technical writing drifts
-  into "X was verified" when "I verified X" is shorter and says who did it.
-
-### Write as Gabriel, and never flag his own decisions
-
-Everything that ships under his name is written **as him**, in first person. Never write
-his name or any stand-in for it. Not "Gib decided", not "the author", not "per the
-developer". When a sentence needs an actor, it is "I".
-
-**Never frame one of his decisions as a deviation.** Do not write that something "was not
-in this story's scope", that an AC or dev review said otherwise, that an earlier story
-"should have caught it", or that a direction was "reversed". State what the change is and
-why it belongs where it is, then stop.
-
-He writes the tickets himself, so he is entitled to change them, and a dev review is a
-proposal rather than a contract. Calling the change out reads as his own AI tattling on
-him. It waves a red flag at a nothing burger, costs the PM time investigating a
-non-issue, and leaves them assuming he did something wrong. The real story is normally
-mundane and good: the better component already existed and cost almost nothing to use.
-
-Compare, on KACP-23058:
-
-> Bad: "This was not in this story's scope. KACP-23059 shipped that page still on the
-> legacy tables, and Gib reversed the reuse-legacy direction on 2026-09-02."
->
-> Good: "Both detail pages now share one set of grid components instead of two divergent
-> implementations, so the move ships with the components it shares."
-
-Same information, no flag attached. **If a decision feels big enough that you want to
-narrate it, that is the signal to ask him about it before writing, not to annotate it in
-the document.** Being aligned first is the point, and the writing should read as though
-you always were.
-
-This governs `mr.md`, `customfield_10260` and `10261`, every other Jira field, and PM
-deliverables. It does not govern files only he reads. `plan.md`, `bugs.md`, audits and
-working notes can name him and record who decided what, because that history is useful.
-
-The House style punctuation rule above is the stricter one where the two overlap. Keep
-it. Personal working files (`plan.md`, `ticket.md`) are exempt, nobody else reads them.
-
 ## Verification tools available

 The goal isn't "a plausible-sounding plan" or "code that compiles" — it's a plan and
@@ -283,19 +226,15 @@ method for producing accurate screenshots, not part of the deliverable's story.
 Process, per deliverable:

 1. Write `<slug>.md`.
-2. Run the prose bar over `<slug>.md` before building anything from it. A spike
-   deliverable is the most prose-heavy thing this skill produces and it goes straight to
-   Conrad, who is skeptical of AI. Fixing it here means fixing it once, rather than in
-   the markdown and again in the Typst.
-3. Write `<slug>.typ` from it, per the styling notes above.
-4. Compile: `typst compile <slug>.typ <slug>.pdf`. `typst` should already be on PATH;
+2. Write `<slug>.typ` from it, per the styling notes above.
+3. Compile: `typst compile <slug>.typ <slug>.pdf`. `typst` should already be on PATH;
   if it isn't, tell the user rather than silently skipping the PDF.
-5. Actually look at the compiled PDF using the Read tool (it reads PDFs directly, page
+4. Actually look at the compiled PDF using the Read tool (it reads PDFs directly, page
   by page for longer documents). Check every page for real layout problems: text or
   a table overflowing a page, an awkward page break splitting a table or diagram,
   cramped or excessive spacing, a diagram that rendered wrong. A successful compile
   only means valid Typst, not that it looks right — actually look.
-6. If anything looks wrong, fix `<slug>.typ` and go back to step 4. Repeat until the
+5. If anything looks wrong, fix `<slug>.typ` and go back to step 3. Repeat until the
   PDF genuinely looks right, not just until it compiles without erroring.

 If `.claude/docs/` is tracked by git in this repo (check with
@@ -433,7 +372,7 @@ place from the start.
     - Proceed to implementing the existing `plan.md` as-is (they reviewed and approved it)
     - Resume implementation (some plan steps are already checked off / some commits
       already exist on the ticket branch — pick up from the first unchecked step)
-     - Move to the pre-mr-review stage (implementation looks done, just need the audit + MR doc; the user runs the audit from their work account, see Phase 2 step 7)
+     - Run `pre-mr-review` now (implementation looks done, just need the audit + MR doc)
     Route to **Phase 1** or **Phase 2** accordingly.
   - **Both `plan.md` and `mr.md` exist** — this ticket looks finished. Tell the user
     `mr.md` already exists at its path and ask whether they want you to refresh it
@@ -681,8 +620,8 @@ Entered only when the user has confirmed (per Phase 0) that the plan is approved
   Order matters and is not just convenience. `pre-mr-review`'s output is a readiness
   verdict that gets pasted verbatim into `mr.md`. Anything that runs after it
   invalidates that verdict by construction, and you end up rerunning it and rewriting
-   the handoff. Review first, fix, commit, and only then have the user
-   run `pre-mr-review` over the final tree.
+   the handoff. Review first, fix, commit, and only then run `pre-mr-review` over the
+   final tree.

   - **Skip this step for genuinely trivial changes**: a copy tweak, a styling fix, a
     one line correction with no logic in it. Run it whenever the change adds or
@@ -732,54 +671,11 @@ Entered only when the user has confirmed (per Phase 0) that the plan is approved
   in the current repo). If it doesn't, stop here, tell the user implementation and
   local verification are done but this repo has no `pre-mr-review` skill to run, and
   let them decide how to proceed.
-7. **Do NOT invoke the `pre-mr-review` skill yourself.** The org asks that this
-   review run from the developer's separate work Claude account, so the audit on
-   record must come from there, not from this session. Instead:
-   1. Tell the user the branch is ready for its pre-mr-review and ask them to run
-      `/pre-mr-review` from their work account, then let you know when it has
-      finished. Stop and wait, this is a hard gate.
-   2. When they say it ran, read the audit and handoff files it wrote under
-      `.claude/audits/pre-mr/` (the context script from the repo's `pre-mr-review`
-      skill prints the exact paths). Check the `last_reviewed_head` in the audit
-      header matches the current HEAD; if the branch moved after their run, say so
-      and ask them to rerun before acting on a stale audit.
-   3. Read the verdict.
+7. Invoke the `pre-mr-review` skill. Read its verdict.
   - **Ready to Open MR**: continue to step 8.
-      - **Almost Ready / Not Ready Yet**: fix what it flagged (each meaningful fix
-        as its own commit), then ask the user to rerun the review from the work
-        account and wait again. Repeat until the verdict is Ready to Open MR. Don't
-        write `mr.md` before that verdict is reached.
-   Findings that need no code change (mentions, disclosures) get addressed in
-   `mr.md`'s Additional Notes or the Jira fields as usual.
-
-   **The verdict is the gate and it is not negotiable.** Ready to Open MR is what
-   goes on record with the Lead, so never reason your way past it because the
-   remaining items look harmless. That judgment is not yours to make.
-
-   **Don't confuse the verdict with the handoff's recommendation.** They are
-   different fields in different files for different readers. The audit's
-   `Verdict` says whether the branch is ready to become an MR, and that is the
-   gate. The handoff's `Recommendation` (`Merge`, `Merge after conditions`) is
-   advice to the maintainer about merging it, and `Merge after conditions` is
-   normal and expected at a Ready verdict. Never treat the recommendation as a
-   blocker or report it as one.
-
-   **Reruns converge by giving the audit more, not by repeating the command.**
-   When a rerun is needed, the user is running it, so every rerun costs them.
-   Make each one count:
-   - **Feed it context on the first run.** It reviews the diff, and left alone it
-     re-derives intent from the branch name and re-raises decisions that are
-     already settled. Ask the user to point it at the ticket's
-     `resources/ticket.md` and `plan.md`. This is the cheapest thing that reduces
-     repeat findings.
-   - **Answer its decisions explicitly in the rerun.** When it parks a finding
-     under "Decide before opening", write the decision and its reasoning into the
-     prompt for the next run, so it can reclassify rather than re-ask. A silent
-     rerun on an unchanged diff re-asks the same question.
-   - **Say so when it finds new things in unchanged code.** That means the earlier
-     run was an incomplete pass, not that the branch got worse. Tell the user
-     plainly, because it is the audit's problem to fix and it changes how much
-     weight the next run deserves.
+   - **Almost Ready / Not Ready Yet**: fix what it flagged (each meaningful fix as its
+     own commit), then invoke `pre-mr-review` again. Repeat until the verdict is Ready
+     to Open MR. Don't write `mr.md` before that verdict is reached.
 8. Read `~/.agents/skills/ticket/templates/mr.md` — this is the org's MR template,
   copied into this skill so it still works even though the original
   `.claude/docs/mr/template.md` no longer exists in the command-center repo. `mr.md`
@@ -804,18 +700,16 @@ Entered only when the user has confirmed (per Phase 0) that the plan is approved
     verified" if you actually ran a build and it passed).
   - Replace `<!-- Paste the Pre-MR handoff here -->` with the exact content of the
     latest `pre-mr-review` handoff file (the one with verdict Ready to Open MR) —
-     paste it verbatim, don't summarize it. Its `Recommendation` line is the
-     audit's advice to the maintainer and is left exactly as written, including
-     `Merge after conditions`.
+     paste it verbatim, don't summarize it.

     The handoff section of `mr.md` is GENERATED OUTPUT, not something you author.
     It is the block that states whether the branch is ready to merge, so it must be
     the audit's own words, not a retelling of them. Concretely:

     - Never hand-write a handoff section, and never edit one in place. If it is
-       wrong, thin, or stale, ask the user to rerun `/pre-mr-review` from their work
-       account to regenerate the handoff file, then re-paste.
-     - On EVERY rerun of theirs, replace the whole existing handoff block with the whole
+       wrong, thin, or stale, fix the handoff file by rerunning `/pre-mr-review`,
+       then re-paste.
+     - On EVERY rerun, replace the whole existing handoff block with the whole
       regenerated one. Do not patch the copy sitting in `mr.md` to match the new
       head — that is how the two silently diverge, and the version the reviewer
       reads stops being the version the audit actually produced.
@@ -848,10 +742,13 @@ Entered only when the user has confirmed (per Phase 0) that the plan is approved
   content. A reviewer should be able to read the whole file in about a minute; if it
   has grown past roughly 120 lines including the handoff, it has drifted.

-   Before saving, run the prose bar (see **The prose bar** above) over the Summary and
-   Additional Notes ONLY. The pasted handoff is generated output and is never edited.
-   Henry reads every one of these, and prose that reads as machine-generated costs the
-   MR its credibility before anyone looks at the diff.
+   Before saving, call the Skill tool with "unslop" and apply its pattern detection to
+   the Summary and Additional Notes ONLY: puffery, superficial -ing phrases, "not just
+   X but Y", vague attributions, rule-of-three padding. The pasted handoff is generated
+   output and is never edited, per the rule above. Skip unslop's "Adding soul" section
+   too — an MR description wants plain and factual, not voice. Henry reads every one of
+   these, and prose that reads as machine-generated costs the MR its credibility before
+   anyone looks at the diff.
 9. Fill the Jira ticket fields directly, by issue type. Rich text fields are ADF:
   render markdown with `python3 ~/.agents/skills/review-ticket/scripts/review2adf.py
   render <file.md>` and PUT via `{"fields": {...}}` to `/rest/api/3/issue/<KEY>`.
@@ -860,9 +757,11 @@ Entered only when the user has confirmed (per Phase 0) that the plan is approved
   field-to-type map below is verified against the project's edit screens, don't PUT
   a field to a type that doesn't carry it.

-   **Run the prose bar** (see **The prose bar** above) over every field before rendering
-   it to ADF, proof and mitigation cells included. Everything here is read by the Lead
-   and the PM.
+   **Same prose bar as `mr.md`.** Every field authored here is read by the Lead and the
+   PM. Run the `unslop` skill's pattern detection over the markdown before rendering it
+   to ADF, skipping its "Adding soul" section — Jira fields want plain, factual, and
+   specific. This does not apply to proof cells, which are references to artifacts and
+   test names rather than prose.

   **Proof first.** Before filling any proof column, capture working feature proof
   yourself wherever possible: run the app (`run` skill) and screenshot the real
@@ -922,12 +821,13 @@ Entered only when the user has confirmed (per Phase 0) that the plan is approved
     handled and what covers it. Deliver the number asked for, not more, and pick the
     ones a reviewer most benefits from. This field, not `mr.md`.
   - `customfield_10261` User Story Patch Notes: the same change in user-facing words.
-   - `customfield_10142` Working Feature Proof: leave it alone. Write nothing here.
-     This field is where Gib drops the proof attachments, and dragging files into it
-     replaces whatever text is sitting there, so a written list is destroyed by the
-     upload it was describing. Naming each artifact is already the job of the Test
-     Cases proof cells, which reference it by filename. Step 10 tells Gib which files
-     to upload. Do not PUT this field on a Story.
+   - `customfield_10142` Working Feature Proof: ALWAYS fill this on a Story, never
+     leave it empty. It renders as its own panel in the ticket's testing section, so
+     an empty field reads as unfilled testing even when every test-table cell is
+     complete (this happened on KACP-23143). At minimum it lists the files staged in
+     `proof/` for Gib to attach, one line each saying what the artifact shows, plus a
+     pointer that per-row proof lives in the Test Cases table. A headline artifact (a
+     demo capture, a before/after pair) leads the list when one exists.

   **Spike** (deliverables, not code): no test or proof fields to fill. The output is
   the deliverables directory, and step 10 tells Gib which files to upload where (the
@@ -16,9 +16,7 @@ ln -s ../../.agents/skills/<name> ~/.claude/skills/<name>
 Writing a second copy into `~/.claude/skills/` gives you two files that drift, and the drift is
 silent because each harness only ever reads its own. One home, one symlink per harness that needs it.

-A skill that only makes sense inside one repo lives once at
-`<repo>/.agents/skills/<name>/`. Point Claude Code at that source with a
-`<repo>/.claude/skills/<name>` symlink.
+A skill that only makes sense inside one repo belongs in that repo, at `<repo>/.claude/skills/`.

 ## Frontmatter

@@ -28,13 +28,14 @@
 link  agents/AGENTS.md   ~/.claude/CLAUDE.md
 link  agents/AGENTS.md   ~/.codex/AGENTS.md

-# Skills, at both paths that look for them. Each tracked skill is linked from
-# this checkout so edits stay shared and `panama update` offers to commit them.
+# Skills, at both paths that look for them. Linked so that a skill installed by
+# any tool lands in the checkout and `panama update` offers to commit it.
 #
-# Both destinations also hold skills Panama itself ships, put there by the
-# link-skills stage, so both are real directories with one link per skill. This
-# stage runs after that one, so a personal skill wins a name collision.
-linkdir  agents/skills   ~/.agents/skills
+# ~/.agents/skills is this directory and nothing else, so it stays one link.
+# ~/.claude/skills also holds the skills Panama itself ships, put there by the
+# link-skills stage, so it is a real directory with one link per skill -- and
+# this stage runs after that one, so a personal skill wins a name collision.
+link     agents/skills   ~/.agents/skills
 linkdir  agents/skills   ~/.claude/skills

 link  agents/rules       ~/.claude/rules