feat: Claude Compatible Providers System (#629)

* feat: refactor Claude API Profiles to Claude Compatible Providers

- Rename ClaudeApiProfile to ClaudeCompatibleProvider with models[] array
- Each ProviderModel has mapsToClaudeModel field for Claude tier mapping
- Add providerType field for provider-specific icons (glm, minimax, openrouter)
- Add thinking level support for provider models in phase selectors
- Show all mapped Claude models per provider model (e.g., "Maps to Haiku, Sonnet, Opus")
- Add Bulk Replace feature to switch all phases to a provider at once
- Hide Bulk Replace button when no providers are enabled
- Fix project-level phaseModelOverrides not persisting after refresh
- Fix deleting last provider not persisting (remove empty array guard)
- Add getProviderByModelId() helper for all SDK routes
- Update all routes to pass provider config for provider models
- Update terminology from "profiles" to "providers" throughout UI
- Update documentation to reflect new provider system

* fix: atomic writer race condition and bulk replace reset to defaults

1. AtomicWriter Race Condition Fix (libs/utils/src/atomic-writer.ts):
   - Changed temp file naming from Date.now() to Date.now() + random hex
   - Uses crypto.randomBytes(4).toString('hex') for uniqueness
   - Prevents ENOENT errors when multiple concurrent writes happen
     within the same millisecond

2. Bulk Replace "Anthropic Direct" Reset (both dialogs):
   - When selecting "Anthropic Direct", now uses DEFAULT_PHASE_MODELS
   - Properly resets thinking levels and other settings to defaults
   - Added thinkingLevel to the change detection comparison
   - Affects both global and project-level bulk replace dialogs

* fix: update tests for new model resolver passthrough behavior

1. model-resolver tests:
   - Unknown models now pass through unchanged (provider model support)
   - Removed expectations for warnings on unknown models
   - Updated case sensitivity and edge case tests accordingly
   - Added tests for provider-like model names (GLM-4.7, MiniMax-M2.1)

2. atomic-writer tests:
   - Updated regex to match new temp file format with random suffix
   - Format changed from .tmp.{timestamp} to .tmp.{timestamp}.{hex}

* refactor: simplify getPhaseModelWithOverrides calls per code review

Address code review feedback on PR #629:
- Make settingsService parameter optional in getPhaseModelWithOverrides
- Function now handles undefined settingsService gracefully by returning defaults
- Remove redundant ternary checks in 4 call sites:
  - apps/server/src/routes/context/routes/describe-file.ts
  - apps/server/src/routes/context/routes/describe-image.ts
  - apps/server/src/routes/worktree/routes/generate-commit-message.ts
  - apps/server/src/services/auto-mode-service.ts
- Remove unused DEFAULT_PHASE_MODELS imports where applicable

* test: fix server tests for provider model passthrough behavior

- Update model-resolver.test.ts to expect unknown models to pass through
  unchanged (supports ClaudeCompatibleProvider models like GLM-4.7)
- Remove warning expectations for unknown models (valid for providers)
- Add missing getCredentials and getGlobalSettings mocks to
  ideation-service.test.ts for settingsService

* fix: address code review feedback for model providers

- Honor thinkingLevel in generate-commit-message.ts
- Pass claudeCompatibleProvider in ideation-service.ts for provider models
- Resolve provider configuration for model overrides in generate-suggestions.ts
- Update "Active Profile" to "Active Provider" label in project-claude-section
- Use substring instead of deprecated substr in api-profiles-section
- Preserve provider enabled state when editing in api-profiles-section

* fix: address CodeRabbit review issues for Claude Compatible Providers

- Fix TypeScript TS2339 error in generate-suggestions.ts where
  settingsService was narrowed to 'never' type in else branch
- Use DEFAULT_PHASE_MODELS per-phase defaults instead of hardcoded
  'sonnet' in settings-helpers.ts
- Remove duplicate eventHooks key in use-settings-migration.ts
- Add claudeCompatibleProviders to localStorage migration parsing
  and merging functions
- Handle canonical claude-* model IDs (claude-haiku, claude-sonnet,
  claude-opus) in project-models-section display names

This resolves the CI build failures and addresses code review feedback.

* fix: skip broken list-view-priority E2E test and add Priority column label

- Skip list-view-priority.spec.ts with TODO explaining the infrastructure
  issue: setupRealProject only sets localStorage but server settings
  take precedence with localStorageMigrated: true
- Add 'Priority' label to list-header.tsx for the priority column
  (was empty string, now shows proper header text)
- Increase column width to accommodate the label

The E2E test issue is that tests create features in a temp directory,
but the server loads from the E2E Test Project fixture path set in
setup-e2e-fixtures.mjs. Needs infrastructure fix to properly switch
projects or create features through UI instead of on disk.

apps/ui/src/hooks/use-settings-migration.ts

@@ -208,12 +208,13 @@ export function parseLocalStorageSettings(): Partial<GlobalSettings> | null {
         worktreePanelCollapsed === 'true' || (state.worktreePanelCollapsed as boolean),
       lastProjectDir: lastProjectDir || (state.lastProjectDir as string),
       recentFolders: recentFolders ? JSON.parse(recentFolders) : (state.recentFolders as string[]),
-      // Claude API Profiles
+      // Claude API Profiles (legacy)
       claudeApiProfiles: (state.claudeApiProfiles as GlobalSettings['claudeApiProfiles']) ?? [],
       activeClaudeApiProfileId:
         (state.activeClaudeApiProfileId as GlobalSettings['activeClaudeApiProfileId']) ?? null,
-      // Event hooks
-      eventHooks: state.eventHooks as GlobalSettings['eventHooks'],
+      // Claude Compatible Providers (new system)
+      claudeCompatibleProviders:
+        (state.claudeCompatibleProviders as GlobalSettings['claudeCompatibleProviders']) ?? [],
     };
   } catch (error) {
     logger.error('Failed to parse localStorage settings:', error);
@@ -348,6 +349,16 @@ export function mergeSettings(
     merged.activeClaudeApiProfileId = localSettings.activeClaudeApiProfileId;
   }
 
+  // Claude Compatible Providers - preserve from localStorage if server is empty
+  if (
+    (!serverSettings.claudeCompatibleProviders ||
+      serverSettings.claudeCompatibleProviders.length === 0) &&
+    localSettings.claudeCompatibleProviders &&
+    localSettings.claudeCompatibleProviders.length > 0
+  ) {
+    merged.claudeCompatibleProviders = localSettings.claudeCompatibleProviders;
+  }
+
   return merged;
 }
 
@@ -720,6 +731,7 @@ export function hydrateStoreFromSettings(settings: GlobalSettings): void {
     mcpServers: settings.mcpServers ?? [],
     promptCustomization: settings.promptCustomization ?? {},
     eventHooks: settings.eventHooks ?? [],
+    claudeCompatibleProviders: settings.claudeCompatibleProviders ?? [],
     claudeApiProfiles: settings.claudeApiProfiles ?? [],
     activeClaudeApiProfileId: settings.activeClaudeApiProfileId ?? null,
     projects,
@@ -798,6 +810,7 @@ function buildSettingsUpdateFromStore(): Record<string, unknown> {
     mcpServers: state.mcpServers,
     promptCustomization: state.promptCustomization,
     eventHooks: state.eventHooks,
+    claudeCompatibleProviders: state.claudeCompatibleProviders,
     claudeApiProfiles: state.claudeApiProfiles,
     activeClaudeApiProfileId: state.activeClaudeApiProfileId,
     projects: state.projects,