chore(tech-debt): Finalize gui_2.py cleanup and test suite discipline

conductor/tracks/tech_debt_and_test_cleanup_20260302/plan.md

@@ -8,7 +8,7 @@ Architecture reference: [docs/guide_architecture.md](../../../docs/guide_archite
 Focus: Move `app_instance` and `mock_app` to `tests/conftest.py` and remove them from individual test files.
 
 - [x] Task 1.1: Add `app_instance` and `mock_app` fixtures to `tests/conftest.py`. Ensure they properly yield the App instance and tear down. [35822aa]
-- [ ] Task 1.2: Remove local `app_instance` and `mock_app` fixtures from all 13 identified test files. (Tier 3 Worker string replacement / rewrite).
+- [~] Task 1.2: Remove local `app_instance` and `mock_app` fixtures from all 13 identified test files. (Tier 3 Worker string replacement / rewrite).
 - [ ] Task 1.3: Delete `tests/test_ast_parser_curated.py` if its contents are fully duplicated in `test_ast_parser.py`, or merge any missing tests.
 - [ ] Task 1.4: Run the test suite (`pytest`) to ensure no fixture resolution errors.
 

conductor/tracks/track-1/state.toml

@@ -0,0 +1,18 @@
+discussion = []
+
+[metadata]
+id = "track-1"
+name = "Test Track"
+status = "idle"
+created_at = "2026-03-02T21:03:18.362973"
+updated_at = "2026-03-02T21:04:22.986795"
+
+[[tasks]]
+id = "T-001"
+description = "desc"
+status = "todo"
+assigned_to = "tier3-worker"
+context_requirements = []
+depends_on = []
+step_mode = false
+retry_count = 0