# Implementation Plan: System Context Exposure

## Phase 1: Backend Changes [checkpoint: a0fb086]
Focus: Make _SYSTEM_PROMPT configurable

- [x] Task: Audit ai_client.py system prompt flow b654c7c
- [x] Task: Move _SYSTEM_PROMPT to configurable storage 4f1bcea
- [x] Task: Implement load/save of base system prompt 4f1bcea
- [x] Task: Modify _get_combined_system_prompt() to use config 4f1bcea
- [x] Task: Write tests for configurable system prompt 4f1bcea
- [x] Task: Conductor - User Manual Verification 'Phase 1: Backend Changes' a0fb086

## Phase 2: UI Implementation [checkpoint: c3a114d]
Focus: Add base prompt editor to AI Settings

- [x] Task: Add UI controls to _render_system_prompts_panel c74971b
- [x] Task: Implement checkbox for "Use Default Base" c74971b
- [x] Task: Implement collapsible base prompt editor c74971b
- [x] Task: Add "Reset to Default" button c74971b
- [x] Task: Write tests for UI controls c74971b
- [x] Task: Conductor - User Manual Verification 'Phase 2: UI Implementation' c3a114d

## Phase 3: Persistence & Provider Testing [checkpoint: 40db835]
Focus: Ensure persistence and cross-provider compatibility

- [x] Task: Verify base prompt persists across app restarts e24ea60
- [x] Task: Test with Gemini provider e24ea60
- [x] Task: Test with Anthropic provider e24ea60
- [x] Task: Test with DeepSeek provider e24ea60
- [x] Task: Test with Gemini CLI adapter e24ea60
- [x] Task: Conductor - User Manual Verification 'Phase 3: Persistence & Provider Testing' 40db835

## Phase 4: Safety & Defaults
Focus: Ensure users can recover from bad edits

- [ ] Task: Implement confirmation dialog before saving custom base
- [ ] Task: Add validation for empty/invalid prompts
- [ ] Task: Document the base prompt purpose in UI
- [ ] Task: Add "Show Diff" between default and custom
- [ ] Task: Write tests for safety features
- [ ] Task: Conductor - User Manual Verification 'Phase 4: Safety & Defaults'