diff --git a/docs/public/configuration.mdx b/docs/public/configuration.mdx
index cd8fe8d5..be0fc8eb 100644
--- a/docs/public/configuration.mdx
+++ b/docs/public/configuration.mdx
@@ -25,7 +25,7 @@ Settings are managed in `~/.claude-mem/settings.json`. The file is auto-created
| Setting | Default | Description |
|-------------------------------|---------------------------------|---------------------------------------|
| `CLAUDE_MEM_GEMINI_API_KEY` | — | Gemini API key ([get free key](https://aistudio.google.com/app/apikey)) |
-| `CLAUDE_MEM_GEMINI_MODEL` | `gemini-2.0-flash-exp` | Gemini model: `gemini-2.0-flash-exp`, `gemini-1.5-flash`, `gemini-1.5-pro` |
+| `CLAUDE_MEM_GEMINI_MODEL` | `gemini-2.5-flash-lite` | Gemini model: `gemini-2.5-flash-lite`, `gemini-2.5-flash`, `gemini-3-flash` |
See [Gemini Provider](usage/gemini-provider) for detailed configuration and free tier information.
diff --git a/docs/public/usage/gemini-provider.mdx b/docs/public/usage/gemini-provider.mdx
index f47c6e3f..40dd29c2 100644
--- a/docs/public/usage/gemini-provider.mdx
+++ b/docs/public/usage/gemini-provider.mdx
@@ -162,7 +162,6 @@ If you hit rate limits:
### Observation Quality
If observations seem lower quality with Gemini:
-- Try `gemini-1.5-pro` for more capable extraction
- Note that Claude typically produces slightly higher quality observations
- Consider using Gemini for cost savings and Claude for important projects
diff --git a/src/services/worker/http/routes/SettingsRoutes.ts b/src/services/worker/http/routes/SettingsRoutes.ts
index fbcd894a..ef6e6a52 100644
--- a/src/services/worker/http/routes/SettingsRoutes.ts
+++ b/src/services/worker/http/routes/SettingsRoutes.ts
@@ -224,9 +224,9 @@ export class SettingsRoutes extends BaseRouteHandler {
// Validate CLAUDE_MEM_GEMINI_MODEL
if (settings.CLAUDE_MEM_GEMINI_MODEL) {
- const validGeminiModels = ['gemini-2.0-flash-exp', 'gemini-1.5-flash', 'gemini-1.5-pro'];
+ const validGeminiModels = ['gemini-2.5-flash-lite', 'gemini-2.5-flash', 'gemini-3-flash'];
if (!validGeminiModels.includes(settings.CLAUDE_MEM_GEMINI_MODEL)) {
- return { valid: false, error: 'CLAUDE_MEM_GEMINI_MODEL must be one of: gemini-2.0-flash-exp, gemini-1.5-flash, gemini-1.5-pro' };
+ return { valid: false, error: 'CLAUDE_MEM_GEMINI_MODEL must be one of: gemini-2.5-flash-lite, gemini-2.5-flash, gemini-3-flash' };
}
}
diff --git a/src/ui/viewer/components/ContextSettingsModal.tsx b/src/ui/viewer/components/ContextSettingsModal.tsx
index 3ba8050a..26575272 100644
--- a/src/ui/viewer/components/ContextSettingsModal.tsx
+++ b/src/ui/viewer/components/ContextSettingsModal.tsx
@@ -481,8 +481,9 @@ export function ContextSettingsModal({
updateSetting('CLAUDE_MEM_GEMINI_BILLING_ENABLED', checked ? 'true' : 'false')}
/>
diff --git a/src/ui/viewer/types.ts b/src/ui/viewer/types.ts
index aa703f56..f60e5cb2 100644
--- a/src/ui/viewer/types.ts
+++ b/src/ui/viewer/types.ts
@@ -63,7 +63,7 @@ export interface Settings {
// AI Provider Configuration
CLAUDE_MEM_PROVIDER?: string; // 'claude' | 'gemini'
CLAUDE_MEM_GEMINI_API_KEY?: string;
- CLAUDE_MEM_GEMINI_MODEL?: string; // 'gemini-2.0-flash-exp' | 'gemini-1.5-flash' | 'gemini-1.5-pro'
+ CLAUDE_MEM_GEMINI_MODEL?: string; // 'gemini-2.5-flash-lite' | 'gemini-2.5-flash' | 'gemini-3-flash'
// Token Economics Display
CLAUDE_MEM_CONTEXT_SHOW_READ_TOKENS?: string;
diff --git a/tests/gemini_agent.test.ts b/tests/gemini_agent.test.ts
new file mode 100644
index 00000000..8793d8a7
--- /dev/null
+++ b/tests/gemini_agent.test.ts
@@ -0,0 +1,298 @@
+import { describe, it, expect, beforeEach, afterEach, spyOn, mock } from 'bun:test';
+import { GeminiAgent } from '../src/services/worker/GeminiAgent';
+import { DatabaseManager } from '../src/services/worker/DatabaseManager';
+import { SessionManager } from '../src/services/worker/SessionManager';
+import { ModeManager } from '../src/services/worker/domain/ModeManager';
+import { SettingsDefaultsManager } from '../src/shared/SettingsDefaultsManager';
+
+let billingEnabled = 'true';
+
+// Mock SettingsDefaultsManager
+mock.module('../src/shared/SettingsDefaultsManager', () => ({
+ SettingsDefaultsManager: {
+ loadFromFile: () => ({
+ CLAUDE_MEM_GEMINI_API_KEY: 'test-api-key',
+ CLAUDE_MEM_GEMINI_MODEL: 'gemini-2.5-flash-lite',
+ CLAUDE_MEM_GEMINI_BILLING_ENABLED: billingEnabled
+ }),
+ get: (key: string) => {
+ if (key === 'CLAUDE_MEM_LOG_LEVEL') return 'INFO';
+ return '';
+ }
+ }
+}));
+
+// Mock ModeManager
+const mockMode = {
+ name: 'code',
+ prompts: {
+ init: 'init prompt',
+ observation: 'obs prompt',
+ summary: 'summary prompt'
+ },
+ observation_types: [{ id: 'discovery' }, { id: 'bugfix' }],
+ observation_concepts: []
+};
+
+mock.module('../src/services/domain/ModeManager', () => ({
+ ModeManager: {
+ getInstance: () => ({
+ getActiveMode: () => mockMode
+ })
+ }
+}));
+
+describe('GeminiAgent', () => {
+ let agent: GeminiAgent;
+ let originalFetch: typeof global.fetch;
+
+ // Mocks
+ let mockStoreObservation: any;
+ let mockStoreSummary: any;
+ let mockMarkSessionCompleted: any;
+ let mockSyncObservation: any;
+ let mockSyncSummary: any;
+ let mockMarkProcessed: any;
+ let mockCleanupProcessed: any;
+ let mockResetStuckMessages: any;
+ let mockDbManager: DatabaseManager;
+ let mockSessionManager: SessionManager;
+
+ beforeEach(() => {
+ // Reset billing for each test default
+ billingEnabled = 'true';
+
+ // Initialize mocks
+ mockStoreObservation = mock(() => ({ id: 1, createdAtEpoch: Date.now() }));
+ mockStoreSummary = mock(() => ({ id: 1, createdAtEpoch: Date.now() }));
+ mockMarkSessionCompleted = mock(() => {});
+ mockSyncObservation = mock(() => Promise.resolve());
+ mockSyncSummary = mock(() => Promise.resolve());
+ mockMarkProcessed = mock(() => {});
+ mockCleanupProcessed = mock(() => 0);
+ mockResetStuckMessages = mock(() => 0);
+
+ const mockSessionStore = {
+ storeObservation: mockStoreObservation,
+ storeSummary: mockStoreSummary,
+ markSessionCompleted: mockMarkSessionCompleted
+ };
+
+ const mockChromaSync = {
+ syncObservation: mockSyncObservation,
+ syncSummary: mockSyncSummary
+ };
+
+ mockDbManager = {
+ getSessionStore: () => mockSessionStore,
+ getChromaSync: () => mockChromaSync
+ } as unknown as DatabaseManager;
+
+ const mockPendingMessageStore = {
+ markProcessed: mockMarkProcessed,
+ cleanupProcessed: mockCleanupProcessed,
+ resetStuckMessages: mockResetStuckMessages
+ };
+
+ mockSessionManager = {
+ getMessageIterator: async function* () { yield* []; },
+ getPendingMessageStore: () => mockPendingMessageStore
+ } as unknown as SessionManager;
+
+ agent = new GeminiAgent(mockDbManager, mockSessionManager);
+ originalFetch = global.fetch;
+ });
+
+ afterEach(() => {
+ global.fetch = originalFetch;
+ mock.restore();
+ });
+
+ it('should initialize with correct config', async () => {
+ const session = {
+ sessionDbId: 1,
+ claudeSessionId: 'test-session',
+ sdkSessionId: 'test-sdk',
+ project: 'test-project',
+ userPrompt: 'test prompt',
+ conversationHistory: [],
+ lastPromptNumber: 1,
+ cumulativeInputTokens: 0,
+ cumulativeOutputTokens: 0,
+ pendingProcessingIds: new Set(),
+ startTime: Date.now()
+ } as any;
+
+ global.fetch = mock(() => Promise.resolve(new Response(JSON.stringify({
+ candidates: [{
+ content: {
+ parts: [{ text: 'discoveryTest' }]
+ }
+ }],
+ usageMetadata: { totalTokenCount: 100 }
+ }))));
+
+ await agent.startSession(session);
+
+ expect(global.fetch).toHaveBeenCalledTimes(1);
+ const url = (global.fetch as any).mock.calls[0][0];
+ expect(url).toContain('https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash-lite:generateContent');
+ expect(url).toContain('key=test-api-key');
+ });
+
+ it('should handle multi-turn conversation', async () => {
+ const session = {
+ sessionDbId: 1,
+ claudeSessionId: 'test-session',
+ sdkSessionId: 'test-sdk',
+ project: 'test-project',
+ userPrompt: 'test prompt',
+ conversationHistory: [{ role: 'user', content: 'prev context' }, { role: 'assistant', content: 'prev response' }],
+ lastPromptNumber: 2,
+ cumulativeInputTokens: 0,
+ cumulativeOutputTokens: 0,
+ pendingProcessingIds: new Set(),
+ startTime: Date.now()
+ } as any;
+
+ global.fetch = mock(() => Promise.resolve(new Response(JSON.stringify({
+ candidates: [{ content: { parts: [{ text: 'response' }] } }]
+ }))));
+
+ await agent.startSession(session);
+
+ const body = JSON.parse((global.fetch as any).mock.calls[0][1].body);
+ expect(body.contents).toHaveLength(3);
+ expect(body.contents[0].role).toBe('user');
+ expect(body.contents[1].role).toBe('model');
+ expect(body.contents[2].role).toBe('user');
+ });
+
+ it('should process observations and store them', async () => {
+ const session = {
+ sessionDbId: 1,
+ claudeSessionId: 'test-session',
+ sdkSessionId: 'test-sdk',
+ project: 'test-project',
+ userPrompt: 'test prompt',
+ conversationHistory: [],
+ lastPromptNumber: 1,
+ cumulativeInputTokens: 0,
+ cumulativeOutputTokens: 0,
+ pendingProcessingIds: new Set(),
+ startTime: Date.now()
+ } as any;
+
+ const observationXml = `
+
+ discovery
+ Found bug
+ Null pointer
+ Found a null pointer in the code
+ Null check missing
+ bug
+ src/main.ts
+
+
+ `;
+
+ global.fetch = mock(() => Promise.resolve(new Response(JSON.stringify({
+ candidates: [{ content: { parts: [{ text: observationXml }] } }],
+ usageMetadata: { totalTokenCount: 50 }
+ }))));
+
+ await agent.startSession(session);
+
+ expect(mockStoreObservation).toHaveBeenCalled();
+ expect(mockSyncObservation).toHaveBeenCalled();
+ expect(session.cumulativeInputTokens).toBeGreaterThan(0);
+ });
+
+ it('should fallback to Claude on rate limit error', async () => {
+ const session = {
+ sessionDbId: 1,
+ claudeSessionId: 'test-session',
+ sdkSessionId: 'test-sdk',
+ project: 'test-project',
+ userPrompt: 'test prompt',
+ conversationHistory: [],
+ lastPromptNumber: 1,
+ cumulativeInputTokens: 0,
+ cumulativeOutputTokens: 0,
+ pendingProcessingIds: new Set(),
+ startTime: Date.now()
+ } as any;
+
+ global.fetch = mock(() => Promise.resolve(new Response('Resource has been exhausted (e.g. check quota).', { status: 429 })));
+
+ const fallbackAgent = {
+ startSession: mock(() => Promise.resolve())
+ };
+ agent.setFallbackAgent(fallbackAgent);
+
+ await agent.startSession(session);
+
+ expect(fallbackAgent.startSession).toHaveBeenCalledWith(session, undefined);
+ expect(mockResetStuckMessages).toHaveBeenCalled();
+ });
+
+ it('should NOT fallback on other errors', async () => {
+ const session = {
+ sessionDbId: 1,
+ claudeSessionId: 'test-session',
+ sdkSessionId: 'test-sdk',
+ project: 'test-project',
+ userPrompt: 'test prompt',
+ conversationHistory: [],
+ lastPromptNumber: 1,
+ cumulativeInputTokens: 0,
+ cumulativeOutputTokens: 0,
+ pendingProcessingIds: new Set(),
+ startTime: Date.now()
+ } as any;
+
+ global.fetch = mock(() => Promise.resolve(new Response('Invalid argument', { status: 400 })));
+
+ const fallbackAgent = {
+ startSession: mock(() => Promise.resolve())
+ };
+ agent.setFallbackAgent(fallbackAgent);
+
+ expect(agent.startSession(session)).rejects.toThrow('Gemini API error: 400 - Invalid argument');
+ expect(fallbackAgent.startSession).not.toHaveBeenCalled();
+ });
+
+ it('should respect rate limits when billing disabled', async () => {
+ billingEnabled = 'false';
+ const originalSetTimeout = global.setTimeout;
+ const mockSetTimeout = mock((cb: any) => cb());
+ global.setTimeout = mockSetTimeout as any;
+
+ try {
+ const session = {
+ sessionDbId: 1,
+ claudeSessionId: 'test-session',
+ sdkSessionId: 'test-sdk',
+ project: 'test-project',
+ userPrompt: 'test prompt',
+ conversationHistory: [],
+ lastPromptNumber: 1,
+ cumulativeInputTokens: 0,
+ cumulativeOutputTokens: 0,
+ pendingProcessingIds: new Set(),
+ startTime: Date.now()
+ } as any;
+
+ global.fetch = mock(() => Promise.resolve(new Response(JSON.stringify({
+ candidates: [{ content: { parts: [{ text: 'ok' }] } }]
+ }))));
+
+ await agent.startSession(session);
+ await agent.startSession(session);
+
+ expect(mockSetTimeout).toHaveBeenCalled();
+ } finally {
+ global.setTimeout = originalSetTimeout;
+ }
+ });
+});
\ No newline at end of file