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+# Menu Interface Consistency Analysis
+
+## Summary
+Investigation of key bindings and behavior across all views in the trace TUI application to identify inconsistencies and improve user experience.
+
+## Views in the Application
+1. **case_list** - Main list of cases
+2. **case_detail** - Case details with evidence list and case notes
+3. **evidence_detail** - Evidence details with notes
+4. **tags_list** - List of tags with usage counts
+5. **tag_notes_list** - List of notes containing a specific tag
+6. **ioc_list** - List of IOCs with usage counts
+7. **ioc_notes_list** - List of notes containing a specific IOC
+8. **note_detail** - Full view of a single note
+9. **help** - Help screen
+
+---
+
+## ✅ What's CONSISTENT and Working Well
+
+### Global Keys (work everywhere)
+- **`?` or `h`**: Open help - Works from any view ✓
+- **`q`**: Quit (or close help if in help view) ✓
+- **`b`**: Back/navigate up hierarchy - Works consistently ✓
+- **Arrow keys**: Navigate lists - Works consistently ✓
+
+### Navigation Pattern
+- **Enter**: Consistently opens/selects items or dives deeper ✓
+- **`b`**: Consistently goes back up the hierarchy ✓
+- Hierarchy navigation is logical and predictable ✓
+
+### Note Actions in Main Views
+- **`n`**: Add note - Works in case_list, case_detail, evidence_detail ✓
+- **Enter on note**: Opens note_detail view - Now consistent across case_detail, evidence_detail, tag_notes_list, ioc_notes_list ✓
+- **`v`**: View notes modal with highlight - Now consistent in case_detail and evidence_detail ✓
+
+---
+
+## ❌ INCONSISTENCIES Found
+
+### 1. **'n' Key (Add Note) - Incomplete Coverage** ⚠️
+**Issue**: The 'n' key only works in `case_list`, `case_detail`, and `evidence_detail`.
+
+**Missing in**:
+- `tags_list` - Pressing 'n' does nothing useful
+- `tag_notes_list` - Pressing 'n' does nothing useful
+- `ioc_list` - Pressing 'n' does nothing useful
+- `ioc_notes_list` - Pressing 'n' does nothing useful
+- `note_detail` - Pressing 'n' does nothing useful
+- `help` - (OK to not work here)
+
+**Expected behavior**: User should be able to add notes from tag/IOC views since they're actively working with a case/evidence context.
+
+**Recommendation**:
+- Make 'n' work in `tag_notes_list` and `ioc_notes_list` by using the parent context (active_case or active_evidence)
+- Consider whether it should work in `tags_list` and `ioc_list` as well
+- In `note_detail`, 'n' could add a new note to the same context as the currently viewed note
+
+**Code location**: `trace/tui.py:2242` - `dialog_add_note()` only handles 3 views
+
+---
+
+### 2. **'a' Key (Set Active) - Incomplete Implementation** ⚠️
+**Issue**: The global handler `key == ord('a')` calls `_handle_set_active()`, but that method only handles:
+- `case_list`
+- `case_detail`
+- `evidence_detail`
+
+**Missing in**:
+- `tags_list` - Could set active on the parent case/evidence
+- `tag_notes_list` - Silent failure when pressed
+- `ioc_list` - Could set active on the parent case/evidence
+- `ioc_notes_list` - Silent failure when pressed
+- `note_detail` - Silent failure when pressed
+
+**Expected behavior**: Either the key should work (set active on the parent context) or show a message that it's not applicable.
+
+**Recommendation**:
+- Option A: Make 'a' work in tag/IOC list views by setting active on the parent case/evidence
+- Option B: Show message "Not applicable in this view" when pressed in unsupported views
+- Prefer Option A for consistency
+
+**Code location**: `trace/tui.py:1512` - `_handle_set_active()`
+
+---
+
+### 3. **'/' Key (Filter) - Limited Availability** ℹ️
+**Issue**: Filter only works in `case_list` and `case_detail`.
+
+**Missing in**:
+- `evidence_detail` - Would be useful to filter notes!
+- `tags_list` - Would be useful to filter tags
+- `tag_notes_list` - Would be useful to filter notes
+- `ioc_list` - Would be useful to filter IOCs
+- `ioc_notes_list` - Would be useful to filter notes
+
+**Expected behavior**: Users might expect to filter long lists of notes, tags, or IOCs.
+
+**Recommendation**:
+- High priority: Add filtering to `evidence_detail` (filter notes by content)
+- Medium priority: Add filtering to `tags_list`, `ioc_list` (filter by name/value)
+- Lower priority: Add filtering to `tag_notes_list`, `ioc_notes_list` (filter notes by content)
+
+**Code location**: `trace/tui.py:1236-1240` - Filter toggle only checks two views
+
+---
+
+### 4. **'t' and 'i' Keys (Tags/IOCs) - Context-Dependent Availability** ℹ️
+**Issue**: These keys only work in `case_detail` and `evidence_detail`.
+
+**Current behavior**: Silent no-op in other views
+
+**Expected behavior**: This is actually reasonable - tags and IOCs are context-specific. However, it might be confusing when users press them in `tag_notes_list` or `ioc_notes_list` and nothing happens.
+
+**Recommendation**:
+- Low priority fix: Consider allowing 't' in `ioc_notes_list` to switch to tags view
+- Low priority fix: Consider allowing 'i' in `tag_notes_list` to switch to IOCs view
+- This would allow quick toggling between tag and IOC exploration
+- Alternative: Show helpful message if pressed in unsupported views
+
+**Code location**: `trace/tui.py:1449-1452` - No view restrictions, but handlers at lines 182 and 206 check view
+
+---
+
+### 5. **'d' Key (Delete) - Incomplete Coverage** ⚠️
+**Issue**: Delete functionality is not implemented for all views where deletion makes sense.
+
+**Works in**:
+- `case_list` - Delete case ✓
+- `case_detail` - Delete evidence or note ✓
+- `evidence_detail` - Delete note ✓
+
+**Missing in**:
+- `tag_notes_list` - Could delete the selected note
+- `ioc_notes_list` - Could delete the selected note
+- `note_detail` - Could delete the currently viewed note
+
+**Expected behavior**: Users viewing a note should be able to delete it from any view.
+
+**Recommendation**:
+- Add delete support for `tag_notes_list` and `ioc_notes_list`
+- Add delete support for `note_detail` (delete current note and return to previous view)
+- Be careful with confirmation dialogs to prevent accidental deletion
+
+**Code location**: `trace/tui.py:2331` - `handle_delete()` method
+
+---
+
+### 6. **'v' Key (View Notes Modal) - Limited Availability** ℹ️
+**Issue**: View notes modal only works in `case_detail` and `evidence_detail`.
+
+**Missing in**:
+- `tag_notes_list` - Could show all notes with the tag in a modal
+- `ioc_notes_list` - Could show all notes with the IOC in a modal
+
+**Expected behavior**: Might be nice to have a modal view option from tag/IOC note lists, but not critical since they're already list views.
+
+**Recommendation**:
+- Low priority: This might be redundant since tag_notes_list and ioc_notes_list are already list views
+- Consider if there's a different modal that would be useful (e.g., showing just the tag/IOC highlights)
+
+---
+
+### 7. **'e' Key (Export) - Very Limited** ℹ️
+**Issue**: Export only works for IOCs in `ioc_list` and `ioc_notes_list`.
+
+**Missing export options**:
+- Export tags from `tags_list`
+- Export notes from various views
+- Export case summary from `case_detail`
+
+**Expected behavior**: Users might expect export functionality for other data types.
+
+**Recommendation**:
+- Medium priority: Add 'e' to export tags from `tags_list`
+- Lower priority: Consider export options for notes, cases, evidence
+
+---
+
+## Priority Recommendations
+
+### High Priority (User expects it to work)
+1. **Fix 'n' (add note) in tag/IOC note lists** - Users actively working with notes should be able to add new ones
+2. **Fix 'a' (set active) to work or give feedback** - Silent failures are confusing
+3. **Add filtering to evidence_detail** - Natural extension of existing filter functionality
+
+### Medium Priority (Nice to have)
+4. **Add delete support for tag/IOC note lists and note_detail** - Complete the delete functionality
+5. **Add filter to tag and IOC lists** - Helpful for large numbers of items
+6. **Make 't' and 'i' keys provide feedback** - Better UX than silent failure
+
+### Low Priority (Edge cases)
+7. **Cross-navigation between tags and IOCs** - Allow 't' in IOC views and 'i' in tag views
+8. **Export tags** - Complement the export IOCs functionality
+
+---
+
+## General Observations
+
+### Strengths
+- Core navigation is very consistent (Enter, b, arrows)
+- The hierarchy is logical and predictable
+- Global keys work well everywhere
+- Recent fixes made note navigation consistent ✓
+
+### Areas for Improvement
+- Feature keys ('n', 'a', 'd', 't', 'i', 'v') should either work everywhere sensible OR provide clear feedback when not applicable
+- Filtering could be more universally available
+- Delete functionality should be available wherever items can be viewed
+- Silent failures (pressing a key and nothing happening) should be minimized
+
+---
+
+## Testing Recommendations
+
+Create a testing matrix:
+- Test each key in each view
+- Document expected behavior
+- Mark any silent failures
+- Ensure error messages are helpful when actions aren't available