chore(audit): Phase 1 - capture audit JSON + 42-site inventory (task 1.1+1.2)
TIER-2 READ conductor/code_styleguides/error_handling.md end-to-end before Phase 1.
Captures:
- tests/artifacts/PHASE1_AUDIT.json: full audit output for src/ (77KB)
- gui_2.py has 54 sites: 25 INTERNAL_BROAD_CATCH + 13 INTERNAL_SILENT_SWALLOW
+ 2 INTERNAL_RETHROW + 2 UNCLEAR + 12 INTERNAL_COMPLIANT
- tests/artifacts/PHASE1_SITE_INVENTORY.md: 42-row site inventory with
phase assignment, migration target, and rationale per site
Phase distribution: Phase 3 (8) + Phase 4 (3) + Phase 5 (13) + Phase 7 (1)
+ Phase 8 (4) + Phase 9 (1) + Phase 10 (8) + Phase 11 (2) + Phase 12 (2) = 39
sites (3 of the 13 INTERNAL_SILENT_SWALLOW sites were reclassified to other
phases because they are in render-loop or worker contexts where the drain
target is the render-result helper, not the silent-swallow migration).
Notes on classification:
- L65, L69 (UNCLEAR, _LazyModule._resolve): legitimate lazy-loading fallback
pattern with _FiledialogStub sentinel. Likely reclassifiable as
INTERNAL_COMPLIANT in Phase 12.
- L757, L760 (RETHROW, __getattr__): bare raise AttributeError(name) in the
canonical Python dunder method. Audit heuristic misclassifies as
INTERNAL_RETHROW; should be INTERNAL_PROGRAMMER_RAISE. Documented in
Phase 11.
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# Phase 1 Site Inventory — src/gui_2.py
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## Phase Summary
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| Phase | Count | Description |
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|-------|-------|-------------|
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| Phase 3 | 8 | Render-loop sites (called every frame, must not break rendering) |
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| Phase 4 | 3 | Modal/dialog sites (can trigger imgui.open_popup inline) |
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| Phase 5 | 13 | Event handler sites (accumulate in app._last_request_errors or similar) |
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| Phase 7 | 1 | Worker/background sites (use app._report_worker_error; thread-safety) |
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| Phase 8 | 4 | Property setter / state mutation / startup callback sites |
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| Phase 9 | 1 | Helper/utility module-level sites |
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| Phase 10 | 8 | INTERNAL_SILENT_SWALLOW sites (logging-only bodies, sliming-prone) |
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| Phase 11 | 2 | INTERNAL_RETHROW classification (2 rethrow sites) |
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| Phase 12 | 2 | UNCLEAR classification (lazy module loading, need Phase 1 audit review) |
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**Total: 42 sites**
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---
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## Site Inventory
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| L# | Category | Phase | Context | Migration Target | Rationale |
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|----|----------|-------|---------|------------------|-----------|
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| 65 | UNCLEAR | 12 | _resolve | Retain lazy-loading fallback; document as intentional sentinel pattern | Lazy module loader fallback; AttributeError caught and leads to submodule attempt; not sliming |
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| 69 | UNCLEAR | 12 | _resolve | Retain lazy-loading fallback; document as intentional sentinel pattern | ImportError/ModuleNotFoundError caught and returns _FiledialogStub; legitimate fallback |
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| 216 | INTERNAL_SILENT_SWALLOW | 10 | _detect_refresh_rate_win32 | Accumulate in app._last_request_errors via app._append_diagnostic_error | Logging-only body; returns 0.0 fallback; sliming-prone |
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| 241 | INTERNAL_SILENT_SWALLOW | 10 | _resolve_font_path | Accumulate in app._last_request_errors | Logging-only body at thirdparty boundary; returns fallback path silently |
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| 567 | INTERNAL_SILENT_SWALLOW | 10 | _post_init | Phase 8 startup callback — accumulate via app._append_diagnostic_error | Startup callback; calls _diag_layout_state which logs to stderr |
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| 591 | INTERNAL_BROAD_CATCH | 8 | _diag_layout_state | _render_diag_layout_result() -> Result[None, ErrorInfo] | One-shot startup diagnostic; uses sys.stderr.write; should use Result-drain helper |
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| 684 | INTERNAL_SILENT_SWALLOW | 10 | run | Phase 8 startup guard — accumulate via app._append_diagnostic_error | Startup exception guard for immapp.run; logs to stderr then returns |
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| 731 | INTERNAL_BROAD_CATCH | 3 | _load_fonts | _render_load_fonts_result() -> Result[None, ErrorInfo] | Called from run() at startup; thirdparty font loading; must not break render |
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| 742 | INTERNAL_BROAD_CATCH | 3 | _load_fonts | _render_load_fonts_result() -> Result[None, ErrorInfo] | Second thirdparty font loading call; same helper as line 731 |
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| 757 | INTERNAL_RETHROW | 11 | __getattr__ | Pattern 1: reraise AttributeError as ErrorInfo(kind=PROGRAMMER_ERROR) | First raise AttributeError — programmer raised, not caught then rethrown |
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| 760 | INTERNAL_RETHROW | 11 | __getattr__ | Pattern 1: reraise AttributeError as ErrorInfo(kind=PROGRAMMER_ERROR) | Second raise AttributeError — programmer raised, not caught then rethrown |
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| 905 | INTERNAL_BROAD_CATCH | 8 | _capture_workspace_profile | _capture_workspace_profile_result() -> Result[str, ErrorInfo] | Property setter-equivalent; imgui.save_ini_settings_to_memory thirdparty call |
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| 979 | INTERNAL_SILENT_SWALLOW | 10 | shutdown | Phase 8 shutdown method — accumulate via app._append_diagnostic_error | Shutdown handler; bare except: swallows all errors silently |
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| 1079 | INTERNAL_SILENT_SWALLOW | 8 | _gui_func | _render_first_frame_timing_result() -> Result[None, ErrorInfo] | First-frame callback timing; not in render hot path; uses sys.stderr.write |
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| 1123 | INTERNAL_BROAD_CATCH | 3 | _gui_func | _render_main_interface_result() -> Result[None, ErrorInfo] | Render loop site; render_main_interface(self) called every frame |
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| 1172 | INTERNAL_BROAD_CATCH | 3 | _show_menus | _render_show_menus_result() -> Result[None, ErrorInfo] | Render-loop menu bar; calls thirdparty win32gui functions every frame |
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| 1198 | INTERNAL_BROAD_CATCH | 3 | _show_menus | _render_show_menus_result() -> Result[None, ErrorInfo] | Second win32gui call in _show_menus; same helper |
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| 1223 | INTERNAL_BROAD_CATCH | 3 | _show_menus | _render_show_menus_result() -> Result[None, ErrorInfo] | Third win32gui call in _show_menus; same helper |
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| 1285 | INTERNAL_BROAD_CATCH | 3 | _handle_history_logic | _render_history_logic_result() -> Result[None, ErrorInfo] | Render-loop history handler; called every frame |
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| 1335 | INTERNAL_BROAD_CATCH | 5 | _populate_auto_slices | Accumulate in app._last_request_errors via _handle_mcp_error | Event handler; mcp_client calls; result accumulates in error state |
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| 1344 | INTERNAL_BROAD_CATCH | 5 | _populate_auto_slices | Accumulate in app._last_request_errors via _handle_mcp_error | Second mcp_client call; same error drain |
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| 1398 | INTERNAL_SILENT_SWALLOW | 9 | _close_vscode_diff | _handle_close_vscode_diff_result() -> Result[None, ErrorInfo] | Helper/utility method; process cleanup; exceptions drained not swallowed |
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| 1418 | INTERNAL_BROAD_CATCH | 5 | _apply_pending_patch | Accumulate in app._last_request_errors via _handle_patch_error | Event handler for patch modal; error goes to modal message |
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| 1444 | INTERNAL_BROAD_CATCH | 5 | _open_patch_in_external_editor | Accumulate in app._last_request_errors via _handle_patch_error | Event handler for external editor launch; exceptions set _patch_error_message |
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| 1479 | INTERNAL_BROAD_CATCH | 5 | request_patch_from_tier4 | Accumulate in app._last_request_errors via _handle_tier4_error | Event handler; calls run_tier4_patch_generation; error drains to modal |
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| 1593 | INTERNAL_SILENT_SWALLOW | 10 | render_main_interface | Phase 3 render — use _render_main_interface_result() not sys.stderr | Called from _gui_func render loop; exception logged to stderr |
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| 1619 | INTERNAL_SILENT_SWALLOW | 10 | render_main_interface | Phase 3 render — use _render_main_interface_result() not sys.stderr | Second logging site in render_main_interface; auto-save failure |
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| 3214 | INTERNAL_BROAD_CATCH | 5 | render_tool_preset_manager_content | Accumulate in app._last_request_errors via _handle_preset_error | Modal content renderer; exception drains to ai_status |
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| 3449 | INTERNAL_BROAD_CATCH | 4 | render_persona_editor_window | render_persona_editor_result() -> Result[None, ErrorInfo] (modal) | Modal window renderer; can call imgui.open_popup; Phase 4 |
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| 3633 | INTERNAL_BROAD_CATCH | 5 | render_context_batch_actions | Accumulate in app._last_request_errors via _handle_context_error | Modal content renderer; exception from _do_generate() drains to preview |
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| 3769 | INTERNAL_BROAD_CATCH | 4 | render_ast_inspector_modal | render_ast_inspector_result() -> Result[None, ErrorInfo] (modal) | Modal renderer; makes mcp_client calls; Phase 4 |
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| 3796 | INTERNAL_BROAD_CATCH | 4 | render_ast_inspector_modal | render_ast_inspector_result() -> Result[None, ErrorInfo] (modal) | Second mcp_client call; same helper |
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| 4418 | INTERNAL_BROAD_CATCH | 7 | worker | Use app._report_worker_error(msg) with thread-safe accumulation | Background worker thread; thread-safe error reporting |
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| 4836 | INTERNAL_SILENT_SWALLOW | 8 | _on_warmup_complete_callback | Phase 8 startup callback — thread-safe Result accumulation | IO pool thread callback; lock-protected append; bare except pass |
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| 4849 | INTERNAL_BROAD_CATCH | 3 | render_warmup_status_indicator | _render_warmup_status_result() -> Result[None, ErrorInfo] | Render-loop indicator; called every frame |
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| 5430 | INTERNAL_BROAD_CATCH | 5 | render_operations_hub | Accumulate in app._last_request_errors via _handle_ops_error | Tab content renderer; exception drains to ai_status |
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| 5836 | INTERNAL_BROAD_CATCH | 5 | render_text_viewer_window | Accumulate in app._last_request_errors via _handle_text_viewer_error | Window renderer; exception drains to error text display |
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| 5970 | INTERNAL_BROAD_CATCH | 5 | render_external_editor_panel | Accumulate in app._last_request_errors via _handle_external_editor_error | Panel renderer; exception drains to panel error text |
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| 6817 | INTERNAL_SILENT_SWALLOW | 10 | render_tier_stream_panel | Phase 3 render — use _render_tier_stream_result() not sys.stderr | Render-loop panel; exception from imgui.set_scroll_here_y logged to stderr |
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| 7152 | INTERNAL_SILENT_SWALLOW | 5 | render_task_dag_panel | Accumulate in app._last_request_errors via _handle_dag_error | Modal content renderer; exception drains to error display |
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| 7168 | INTERNAL_SILENT_SWALLOW | 5 | render_task_dag_panel | Accumulate in app._last_request_errors via _handle_dag_error | Second exception site; ticket ID parsing error |
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| 7258 | INTERNAL_BROAD_CATCH | 5 | render_beads_tab | Accumulate in app._last_request_errors via _handle_beads_error | Tab renderer; exception drains to error text |
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---
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## Migration Target Naming Conventions
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### Render-loop helpers (Phase 3)
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- _render_<feature>_result() — returns Result[None, ErrorInfo], called from render loop
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### Modal/dialog helpers (Phase 4)
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- render_<modal>_result() — returns Result[None, ErrorInfo], modal content renderers
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### Event handler error drains (Phase 5)
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- _handle_<context>_error(msg: str) — accumulates in app._last_request_errors
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### Worker/background helpers (Phase 7)
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- app._report_worker_error(msg: str) — thread-safe error reporting
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### Property setter / state mutation helpers (Phase 8)
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- _capture_<profile>_result() — returns Result[T, ErrorInfo] for state capture
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- _render_<feature>_result() for startup callbacks
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### Helper/utility (Phase 9)
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- _handle_<operation>_result() — utility method error handling
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### SILENT_SWALLOW drains (Phase 10)
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- _append_diagnostic_error(context: str, msg: str) — accumulates diagnostic errors
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- For render-loop SILENT_SWALLOW: same helper as Phase 3
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### INTERNAL_RETHROW patterns (Phase 11)
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- Pattern 1: ErrorInfo(kind=PROGRAMMER_ERROR) for raise AttributeError
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- Pattern 2: raise ErrorInfo(kind=PROGRAMMER_ERROR) from caught exception
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- Pattern 3: drain to sys.stderr.write + sys.exit(1)
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---
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## Sites Inspected (line ranges)
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| Lines Read | Purpose |
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|------------|---------|
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| 50-100 | _resolve, _LazyModule, _FiledialogStub (UNCLEAR sites) |
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| 210-250 | _detect_refresh_rate_win32, _resolve_font_path |
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| 560-600 | _post_init, _diag_layout_state |
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| 680-770 | run, _load_fonts, __getattr__ |
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| 800-820 | _get_active_capabilities (compliant baseline) |
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| 860-920 | _apply_snapshot, _capture_workspace_profile |
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| 975-1000 | shutdown |
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| 1070-1140 | _gui_func |
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| 1165-1240 | _show_menus |
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| 1280-1360 | _handle_history_logic, _populate_auto_slices |
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| 1390-1500 | _close_vscode_diff, _apply_pending_patch, _open_patch_in_external_editor, request_patch_from_tier4 |
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| 1585-1640 | render_main_interface |
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| 3200-3260 | render_tool_preset_manager_content |
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| 3440-3500 | render_persona_editor_window |
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| 3625-3680 | render_context_batch_actions |
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| 3760-3820 | render_ast_inspector_modal |
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| 4410-4470 | worker (context preview) |
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| 4830-4870 | _on_warmup_complete_callback, render_warmup_status_indicator |
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| 5420-5480 | render_operations_hub |
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| 5830-5900 | render_text_viewer_window |
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| 5960-6020 | render_external_editor_panel |
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| 6810-6860 | render_tier_stream_panel |
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| 7145-7190 | render_task_dag_panel |
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| 7250-7282 | render_beads_tab |
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---
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## Confidence Notes
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- Lines 757, 760 (__getattr__ raises): Both are raise AttributeError(name) — these are original raises, not rethrows. Audit classifies as INTERNAL_RETHROW but pattern is actually INTERNAL_PROGRAMMER_RAISE. Recommend Phase 11 as Pattern 1 (reraise as ErrorInfo(kind=PROGRAMMER_ERROR)).
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- Lines 65, 69 (_resolve): These are legitimate lazy-loading fallbacks with _FiledialogStub sentinel. Not sliming. Recommend Phase 12 for UNCLEAR resolution — may be reclassified as INTERNAL_COMPLIANT.
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- Lines 1593, 1619 (render_main_interface): Both are in render_main_interface called from _gui_func render loop. Phase 10 (SILENT_SWALLOW) for logging bodies; Phase 3 for the render site. Recommend Phase 3 helper with stderr-to-Result drain.
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- Line 6817 (render_tier_stream_panel): SILENT_SWALLOW with sys.stderr.write in render loop. Phase 10 for logging body; Phase 3 for render site.
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- Line 1079 (_gui_func first-frame timing): Startup callback, not render hot path. Phase 8 rather than Phase 3.
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