Add the EDS calendar bridge

docs/superpowers/plans/2026-08-17-calendar-agenda.md

@@ -75,7 +75,7 @@
 - Produces: one-line JSON snapshots with `ok`, `generatedAt`, `sources`, `events`, and `errors`.
 - Produces event objects with exactly `id`, `sourceId`, `uid`, `summary`, `start`, `end`, `allDay`, `location`, and `joinUrl`.
 
-- [ ] **Step 1: Write failing pure bridge tests**
+- [x] **Step 1: Write failing pure bridge tests**
 
 Create `tests/quickshell/calendar_agenda_bridge_test.py` with import-by-path and synthetic policy cases:
 
@@ -148,7 +148,7 @@ if __name__ == "__main__":
     unittest.main()
 ```
 
-- [ ] **Step 2: Run the unit test and verify RED**
+- [x] **Step 2: Run the unit test and verify RED**
 
 Run:
 
@@ -158,7 +158,7 @@ python3 tests/quickshell/calendar_agenda_bridge_test.py
 
 Expected: FAIL because `config/dot/quickshell/scripts/calendar-agenda` does not exist.
 
-- [ ] **Step 3: Implement the bridge's pure contract and CLI boundary**
+- [x] **Step 3: Implement the bridge's pure contract and CLI boundary**
 
 Create `config/dot/quickshell/scripts/calendar-agenda` with a Python shebang and no top-level execution on import. Begin with these pure helpers:
 
@@ -217,7 +217,7 @@ Make the helper executable:
 chmod +x config/dot/quickshell/scripts/calendar-agenda
 ```
 
-- [ ] **Step 4: Run pure tests and verify GREEN**
+- [x] **Step 4: Run pure tests and verify GREEN**
 
 Run:
 
@@ -227,7 +227,7 @@ python3 tests/quickshell/calendar_agenda_bridge_test.py
 
 Expected: four tests PASS.
 
-- [ ] **Step 5: Add the redacted live helper contract**
+- [x] **Step 5: Add the redacted live helper contract**
 
 Create `tests/quickshell/calendar-agenda-helper-contract.sh` with:
 
@@ -260,7 +260,7 @@ printf 'calendar agenda helper contract: PASS (%s sources, %s events; contents r
 
 Make it executable and run it. Expected: PASS with counts only; no source names, summaries, locations, or URLs in terminal output.
 
-- [ ] **Step 6: Commit the bridge**
+- [x] **Step 6: Commit the bridge**
 
 ```bash
 git add config/dot/quickshell/scripts/calendar-agenda \