# Implementation Plan: System Context Exposure

## Phase 1: Backend Changes
Focus: Make _SYSTEM_PROMPT configurable

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

## Phase 2: UI Implementation
Focus: Add base prompt editor to AI Settings

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

## Phase 3: Persistence & Provider Testing
Focus: Ensure persistence and cross-provider compatibility

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

## 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'