Offer T3 Code as the preferred agent, opening a thread in the Panama project, and install it with the desktop

config/dot/quickshell/config/PreferenceSchema.qml

@@ -184,7 +184,8 @@ Singleton {
             options: [
                 { value: "none", label: "None" },
                 { value: "claude", label: "Claude Code" },
-                { value: "codex", label: "Codex" }
+                { value: "codex", label: "Codex" },
+                { value: "t3", label: "T3 Code" }
             ]
         },
         {
@@ -205,7 +206,7 @@ Singleton {
         {
             key: "agentAutoApprove", type: "bool", def: true, group: "agents",
             label: "Launched agents approve their own tools",
-            detail: "Investigations run without permission prompts. The diagnose skill still holds agents to reading rather than fixing, and root still goes through panama-sudo, reason and all"
+            detail: "Investigations run without permission prompts. T3 Code threads use the mode set on the Panama project in T3 instead. The diagnose skill still holds agents to reading rather than fixing, and root still goes through panama-sudo, reason and all"
         },
         {
             key: "agentUsageClaude", type: "bool", def: true, group: "agents",

config/dot/quickshell/modules/settings/AgentsPage.qml

@@ -37,8 +37,8 @@ SettingsPage {
     // them not to believe the page.
     //
     // Probed through a LOGIN shell rather than this one. Quickshell is started
-    // by systemd, whose PATH does not include ~/.local/bin -- where both of
-    // these usually land -- and a login shell is the environment the launcher
+    // by systemd, whose PATH does not include ~/.local/bin -- where all three of
+    // these usually land (T3 Code's CLI is `t3`) -- and a login shell is the environment the launcher
     // hands the agent when it spawns a terminal. Asking with the shell's own
     // PATH would report "not installed" for an agent that starts perfectly.
     property var installed: ({})
@@ -60,7 +60,7 @@ SettingsPage {
 
         running: true
         command: ["bash", "-lc",
-            "for agent in claude codex; do command -v \"$agent\" >/dev/null 2>&1 && printf '%s\\n' \"$agent\"; done"]
+            "for agent in claude codex t3; do command -v \"$agent\" >/dev/null 2>&1 && printf '%s\\n' \"$agent\"; done"]
         stdout: StdioCollector {
             onStreamFinished: root.absorbProbe(this.text)
         }
@@ -70,6 +70,7 @@ SettingsPage {
         switch (value) {
         case "claude": return "starred-symbolic";
         case "codex": return "utilities-terminal-symbolic";
+        case "t3": return "view-dual-symbolic";
         default: return "notifications-disabled-symbolic";
         }
     }

config/dot/quickshell/services/SettingsSearch.qml

@@ -356,6 +356,7 @@ Singleton {
         { label: "AI assistant", detail: "Choose the agent this desktop hands crashes, failed reloads and red health checks to", page: "agents" },
         { label: "Claude Code", detail: "Use Claude Code as the agent the desktop escalates to, and watch its usage", page: "agents" },
         { label: "Codex", detail: "Use Codex as the agent the desktop escalates to, and watch its usage", page: "agents" },
+        { label: "T3 Code", detail: "Open a T3 Code thread in the Panama project when the desktop escalates something", page: "agents" },
         { label: "Diagnose crashes", detail: "When a program dumps core, the notification carries a click that opens your AI assistant with the crash details", page: "agents" },
         { label: "Ask the agent", detail: "A red System Health check with no repair left hands its snapshot to your AI assistant", page: "agents" },
         { label: "Agent usage panel", detail: "Limits, resets and tokens for each agent, opened from the bar", page: "agents" },

config/local/share/vicinae/scripts/settings-agents

@@ -5,6 +5,6 @@
 # @vicinae.mode silent
 # @vicinae.icon ../../icons/hicolor/scalable/apps/panama-settings.svg
 # @vicinae.description Open Agents in Settings.
-# @vicinae.keywords ["settings", "preferred agent", "offer to diagnose crashes", "offer help when the shell fails to reload", "system health hands off unrepairable checks", "launched agents approve their own tools", "collect claude code usage", "collect codex usage", "refresh interval", "ai assistant", "claude code", "codex", "diagnose crashes"]
+# @vicinae.keywords ["settings", "preferred agent", "offer to diagnose crashes", "offer help when the shell fails to reload", "system health hands off unrepairable checks", "launched agents approve their own tools", "collect claude code usage", "collect codex usage", "refresh interval", "ai assistant", "claude code", "codex", "t3 code"]
 
 exec "$HOME/.config/quickshell/scripts/panama-action" settings-page agents