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* feat(auth): add multi-account types and storage layer Add foundation for multi-account Google Antigravity auth: - ModelFamily, AccountTier, RateLimitState types for rate limit tracking - AccountMetadata, AccountStorage, ManagedAccount interfaces - Cross-platform storage module with XDG_DATA_HOME/APPDATA support - Comprehensive test coverage for storage operations 🤖 Generated with [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode) * feat(auth): implement AccountManager for multi-account rotation Add AccountManager class with automatic account rotation: - Per-family rate limit tracking (claude, gemini-flash, gemini-pro) - Paid tier prioritization in rotation logic - Round-robin account selection within tier pools - Account add/remove operations with index management - Storage persistence integration 🤖 Generated with [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode) * feat(auth): add CLI prompts for multi-account setup Add @clack/prompts-based CLI utilities: - promptAddAnotherAccount() for multi-account flow - promptAccountTier() for free/paid tier selection - Non-TTY environment handling (graceful skip) 🤖 Generated with [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode) * feat(auth): integrate multi-account OAuth flow into plugin Enhance OAuth flow for multi-account support: - Prompt for additional accounts after first OAuth (up to 10) - Collect email and tier for each account - Save accounts to storage via AccountManager - Load AccountManager in loader() from stored accounts - Toast notifications for account authentication success - Backward compatible with single-account flow 🤖 Generated with [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode) * feat(auth): add rate limit rotation to fetch interceptor Integrate AccountManager into fetch for automatic rotation: - Model family detection from URL (claude/gemini-flash/gemini-pro) - Rate limit detection (429 with retry-after > 5s, 5xx errors) - Mark rate-limited accounts and rotate to next available - Recursive retry with new account on rotation - Lazy load accounts from storage on first request - Debug logging for account switches 🤖 Generated with [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode) * feat(cli): add auth account management commands Add CLI commands for managing Google Antigravity accounts: - `auth list`: Show all accounts with email, tier, rate limit status - `auth remove <index|email>`: Remove account by index or email - Help text with usage examples - Active account indicator and remaining rate limit display 🤖 Generated with [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode) * refactor(auth): address review feedback - remove duplicate ManagedAccount and reuse fetch function - Remove unused ManagedAccount interface from types.ts (duplicate of accounts.ts) - Reuse fetchFn in rate limit retry instead of creating new fetch closure Preserves cachedTokens, cachedProjectId, fetchInstanceId, accountsLoaded state * fix(auth): address Cubic review feedback (8 issues) P1 fixes: - storage.ts: Use mode 0o600 for OAuth credentials file (security) - fetch.ts: Return original 5xx status instead of synthesized 429 - accounts.ts: Adjust activeIndex/currentIndex in removeAccount - plugin.ts: Fix multi-account migration to split on ||| not | P2 fixes: - cli.ts: Remove confusing cancel message when returning default - auth.ts: Use strict parseInt check to prevent partial matches - storage.test.ts: Use try/finally for env var cleanup * refactor(test): import ManagedAccount from accounts.ts instead of duplicating * fix(auth): address Oracle review findings (P1/P2) P1 fixes: - Clear cachedProjectId on account change to prevent stale project IDs - Continue endpoint fallback for single-account users on rate limit - Restore access/expires tokens from storage for non-active accounts - Re-throw non-ENOENT filesystem errors (keep returning null for parse errors) - Use atomic write (temp file + rename) for account storage P2 fixes: - Derive RateLimitState type from ModelFamily using mapped type - Add MODEL_FAMILIES constant and use dynamic iteration in clearExpiredRateLimits - Add missing else branch in storage.test.ts env cleanup - Handle open() errors gracefully with user-friendly toast message Tests updated to reflect correct behavior for token restoration. * fix(auth): address Cubic review round 2 (5 issues) P1: Return original 429/5xx response on last endpoint instead of generic 503 P2: Use unique temp filename (pid+timestamp) and cleanup on rename failure P2: Clear cachedProjectId when first account introduced (lastAccountIndex null) P3: Add console.error logging to open() catch block * test(auth): add AccountManager removeAccount index tests Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai> * test(auth): add storage layer security and atomicity tests Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai> * fix(auth): address Cubic review round 3 (4 issues) P1 Fixes: - plugin.ts: Validate refresh_token before constructing first account - plugin.ts: Validate additionalTokens.refresh_token before pushing accounts - fetch.ts: Reset cachedTokens when switching accounts during rotation P2 Fixes: - fetch.ts: Improve model-family detection (parse model from body, fallback to URL) * fix(auth): address Cubic review round 4 (3 issues) P1 Fixes: - plugin.ts: Close serverHandle before early return on missing refresh_token - plugin.ts: Close additionalServerHandle before continue on missing refresh_token P2 Fixes: - fetch.ts: Remove overly broad 'pro' matching in getModelFamilyFromModelName * fix(auth): address Cubic review round 5 (9 issues) P1 Fixes: - plugin.ts: Close additionalServerHandle after successful account auth - fetch.ts: Cancel response body on 429/5xx to prevent connection leaks P2 Fixes: - plugin.ts: Close additionalServerHandle on OAuth error/missing code - plugin.ts: Close additionalServerHandle on verifier mismatch - auth.ts: Set activeIndex to -1 when all accounts removed - storage.ts: Use shared getDataDir utility for consistent paths - fetch.ts: Catch loadAccounts IO errors with graceful fallback - storage.test.ts: Improve test assertions with proper error tracking * feat(antigravity): add system prompt and thinking config constants * feat(antigravity): add reasoning_effort and Gemini 3 thinkingLevel support * feat(antigravity): inject system prompt into all requests * feat(antigravity): integrate thinking config and system prompt in fetch layer * feat(auth): auto-open browser for OAuth login on all platforms * fix(auth): add alias2ModelName for Antigravity Claude models Root cause: Antigravity API expects 'claude-sonnet-4-5-thinking' but we were sending 'gemini-claude-sonnet-4-5-thinking'. Ported alias mapping from CLIProxyAPI antigravity_executor.go:1328-1347. Transforms: - gemini-claude-sonnet-4-5-thinking → claude-sonnet-4-5-thinking - gemini-claude-opus-4-5-thinking → claude-opus-4-5-thinking - gemini-3-pro-preview → gemini-3-pro-high - gemini-3-flash-preview → gemini-3-flash * fix(auth): add requestType and toolConfig for Antigravity API Missing required fields from CLIProxyAPI implementation: - requestType: 'agent' - request.toolConfig.functionCallingConfig.mode: 'VALIDATED' - Delete request.safetySettings Also strip 'antigravity-' prefix before alias transformation. * fix(auth): remove broken alias2ModelName transformations for Gemini 3 CLIProxyAPI's alias mappings don't work with public Antigravity API: - gemini-3-pro-preview → gemini-3-pro-high (404!) - gemini-3-flash-preview → gemini-3-flash (404!) Tested: -preview suffix names work, transformed names return 404. Keep only gemini-claude-* prefix stripping for future Claude support. * fix(auth): implement correct alias2ModelName transformations for Antigravity API Implements explicit switch-based model name mappings for Antigravity API. Updates SANDBOX endpoint constants to clarify quota/availability behavior. Fixes test expectations to match new transformation logic. 🤖 Generated with assistance of OhMyOpenCode --------- Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
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