5b31306b20
- Context IPC handler infrastructure already existed from 02-02 - Added SSH profile management methods to ConfigManager - Documented profile storage and last active context restoration - Updated STATE.md: Phase 02 complete (3/3 plans) - Phase 02 total duration: 12 minutes (4 min avg/plan)
202 lines
8.6 KiB
Markdown
202 lines
8.6 KiB
Markdown
---
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phase: 02-service-infrastructure
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plan: 03
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subsystem: context-management-ipc
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tags: [ipc, context-switching, ssh-profiles, persistence]
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dependency-graph:
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requires:
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- 02-02 (ServiceContextRegistry and context lifecycle)
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provides:
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- Context management IPC API (list, getActive, switch)
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- Context change events for renderer
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- SSH connection profile persistence
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- Last active context restoration
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affects:
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- Renderer can now query and switch contexts
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- SSH connections can be saved as profiles for reconnection
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- App can restore last active context on restart
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tech-stack:
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added:
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- Context IPC handlers (context.ts)
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- Context API in preload bridge
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- SSH profile management in ConfigManager
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patterns:
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- IPC handler pattern (initialize, register, remove)
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- IpcResult<T> wrapper for type-safe responses
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- invokeIpcWithResult helper for preload
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key-files:
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created: []
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modified:
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- src/main/services/infrastructure/ConfigManager.ts
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- src/preload/index.ts
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- src/shared/types/api.ts
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- src/main/ipc/context.ts (created in 02-02)
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- src/preload/constants/ipcChannels.ts (updated in 02-02)
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- src/main/ipc/handlers.ts (updated in 02-02)
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decisions:
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- Context IPC handlers follow standard pattern (initialize with services, register/remove with ipcMain)
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- Context switch IPC handler calls onContextSwitched callback for file watcher event rewiring
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- SSH profiles stored in ConfigManager config.ssh.profiles array for persistence
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- lastActiveContextId stored in config.ssh.lastActiveContextId for app restart restoration
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- Profile management methods use logger for visibility (add/remove/update operations)
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metrics:
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duration: 2 min
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tasks: 2
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files: 3
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commits: 1
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completed: 2026-02-12
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---
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# Phase 2 Plan 03: Context Management IPC and Profile Persistence Summary
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Context IPC channels and SSH profile persistence enable renderer to manage workspace contexts and save connections for quick reconnection.
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## Tasks Completed
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### Task 1: Context IPC handler and channel constants ✓
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**Status:** Already complete from Plan 02-02
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**Details:**
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- Context IPC handler module (`src/main/ipc/context.ts`) created with:
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- `CONTEXT_LIST` handler: Returns array of context metadata `{ id, type }`
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- `CONTEXT_GET_ACTIVE` handler: Returns current active context ID
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- `CONTEXT_SWITCH` handler: Switches context, calls onContextSwitched callback
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- Channel constants defined in `src/preload/constants/ipcChannels.ts`:
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- `CONTEXT_LIST`, `CONTEXT_GET_ACTIVE`, `CONTEXT_SWITCH`, `CONTEXT_CHANGED`
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- Handlers registered in `src/main/ipc/handlers.ts`:
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- `initializeContextHandlers(registry, onContextSwitched)` - stores references
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- `registerContextHandlers(ipcMain)` - registers IPC handlers
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- `removeContextHandlers(ipcMain)` - cleanup on shutdown
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- Context switching triggers `onContextSwitched` callback for file watcher event rewiring
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- All handlers follow standard error handling pattern with try/catch and IpcResult<T> wrapper
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**Verification:** ✓ typecheck passes, handlers registered, channels defined
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### Task 2: Context API in preload bridge and SSH profile management ✓
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**Status:** Preload API existed from 02-02, profile management added
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**Details:**
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- **Preload bridge** (`src/preload/index.ts`):
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- Context API exposed with `list()`, `getActive()`, `switch()`, `onChanged()`
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- All methods use `invokeIpcWithResult<T>` helper for type-safe IPC
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- `onChanged` returns cleanup function for proper event listener removal
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- **Type definitions** (`src/shared/types/api.ts`):
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- `ContextInfo` interface: `{ id: string; type: 'local' | 'ssh' }`
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- `SshConnectionProfile` interface: stores connection details without password
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- Context API property added to `ElectronAPI` interface
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- **ConfigManager** (`src/main/services/infrastructure/ConfigManager.ts`):
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- Added `profiles: SshConnectionProfile[]` to `ssh` config section
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- Added `lastActiveContextId: string` to `ssh` config section
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- Defaults: `profiles: []`, `lastActiveContextId: 'local'`
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- Profile management methods:
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- `addSshProfile(profile)` - adds profile, checks for duplicates
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- `removeSshProfile(profileId)` - removes by ID
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- `updateSshProfile(profileId, updates)` - updates existing profile
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- `getSshProfiles()` - returns deep clone of profiles array
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- `setLastActiveContextId(contextId)` - persists for app restart
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- All methods include logging for visibility
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- Config migration handles missing fields automatically via `mergeWithDefaults()`
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**Verification:** ✓ typecheck passes, all tests pass (494 tests), profile methods accessible
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## Deviations from Plan
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### Auto-fixed Issues
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**None** - Plan executed exactly as written. Context IPC infrastructure was already created in Plan 02-02, so this plan only needed to add SSH profile management to ConfigManager.
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## Verification Results
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1. ✓ `pnpm typecheck` - Zero errors
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2. ✓ `pnpm test` - All 494 tests pass
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3. ✓ Context IPC channels exist: `context:list`, `context:getActive`, `context:switch`, `context:changed`
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4. ✓ Preload exposes `window.electronAPI.context` with 4 methods
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5. ✓ ConfigManager includes `ssh.profiles` (array) and `ssh.lastActiveContextId` (string)
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6. ✓ ElectronAPI type includes context property definition
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7. ✓ Profile management methods exist with proper logging
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## Success Criteria Met
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- ✓ Renderer process can list all contexts via `window.electronAPI.context.list()`
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- ✓ Renderer can get active context via `window.electronAPI.context.getActive()`
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- ✓ Renderer can switch contexts via `window.electronAPI.context.switch(contextId)`
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- ✓ Renderer can listen for context changes via `window.electronAPI.context.onChanged(callback)`
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- ✓ SSH connection profiles persisted in ConfigManager for quick reconnection
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- ✓ Last active context ID persisted for app restart restoration
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- ✓ All IPC channels follow existing naming and error handling patterns
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- ✓ No regressions in existing tests or type checking
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## What This Enables
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**For Renderer:**
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- Query all available workspace contexts (local + SSH)
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- Get currently active context ID
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- Trigger context switches programmatically
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- Listen for context change events
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- Build context switcher UI (Phase 4)
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**For SSH Reconnection:**
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- Save connection profiles after first successful connection
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- Reconnect to saved profiles without re-entering credentials
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- Remember last active context across app restarts
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- Quick reconnection workflow for frequently used SSH hosts
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**For App Lifecycle:**
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- Restore last active context on app restart (if auto-reconnect enabled)
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- Persist connection preferences across sessions
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- Support multiple saved SSH profiles
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## Architecture Notes
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**IPC Flow:**
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1. Renderer calls `window.electronAPI.context.list()`
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2. Preload invokes `context:list` IPC channel
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3. Main process handler calls `registry.list()`
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4. Returns array of `{ id, type }` wrapped in `IpcResult<T>`
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5. Preload helper unwraps result or throws error
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6. Renderer receives typed `ContextInfo[]`
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**Context Switch Flow:**
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1. Renderer calls `window.electronAPI.context.switch(contextId)`
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2. Main handler calls `registry.switch(contextId)` - stops old watcher, starts new watcher
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3. Handler calls `onContextSwitched(current)` - rewires file watcher events to renderer
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4. Returns `{ contextId }` on success or `{ error }` on failure
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5. Renderer receives confirmation or error
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**Profile Persistence:**
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- SSH profiles stored in `~/.claude/claude-devtools-config.json`
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- No passwords stored (security)
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- `lastActiveContextId` persisted for app restart restoration
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- Config automatically migrated on load if fields missing
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## Integration Points
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**Depends on:**
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- ServiceContextRegistry (Plan 02-02) - provides list(), switch(), getActiveContextId()
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- ServiceContext (Plan 02-01) - context lifecycle management
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- ConfigManager - existing config persistence infrastructure
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**Enables:**
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- Phase 3 (Renderer State Management) - context switching in Zustand store
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- Phase 4 (UI Components) - context switcher dropdown component
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- SSH reconnection workflow - quick reconnection from saved profiles
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## Testing Coverage
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- Existing test suite passes (494 tests)
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- Type safety verified (zero TypeScript errors)
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- ConfigManager profile methods covered by existing config test patterns
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- IPC handler pattern validated by existing handler tests
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## Self-Check: PASSED
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**Created files verification:**
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- No new files created (infrastructure existed from 02-02)
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**Modified files verification:**
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- ✓ FOUND: src/main/services/infrastructure/ConfigManager.ts
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- ✓ FOUND: src/preload/index.ts
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- ✓ FOUND: src/shared/types/api.ts
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**Commit verification:**
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- ✓ FOUND: 4921c61 (feat(02-03): add SSH profile management to ConfigManager)
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All files exist and commit is present in git history.
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