feat: add ollama provider

test/config/env.test.js

@@ -5,7 +5,7 @@ const originalEnv = { ...process.env };
 
 function setEnv(partial) {
   for (const key of Object.keys(process.env)) {
-    if (key.startsWith('OPENAI_') || key.startsWith('CHATGPT_MCP_')) {
+    if (key.startsWith('OPENAI_') || key.startsWith('CHATGPT_MCP_') || key.startsWith('OLLAMA_')) {
       delete process.env[key];
     }
   }
@@ -18,7 +18,7 @@ beforeEach(() => {
 
 afterEach(() => {
   for (const key of Object.keys(process.env)) {
-    if (key.startsWith('OPENAI_') || key.startsWith('CHATGPT_MCP_')) {
+    if (key.startsWith('OPENAI_') || key.startsWith('CHATGPT_MCP_') || key.startsWith('OLLAMA_')) {
       delete process.env[key];
     }
   }
@@ -47,6 +47,10 @@ describe('loadConfig', () => {
     expect(cfg.maxFiles).toBe(5);
     expect(cfg.maxLogChars).toBe(10000);
     expect(cfg.redactSecrets).toBe(true);
+    expect(cfg.ollamaBaseUrl).toBe('http://localhost:11434');
+    expect(cfg.ollamaModel).toBe('qwen3:latest');
+    expect(cfg.ollamaTemperature).toBe(0.2);
+    expect(cfg.ollamaTimeout).toBe(60);
   });
 
   it('applies custom string values', () => {
@@ -162,3 +166,102 @@ describe('loadConfig chatgptMcpProvider', () => {
     expect(cfg.chatgptMcpProvider).toBe('ollama');
   });
 });
+
+// --- Ollama env vars ---
+
+describe('loadConfig ollama env vars', () => {
+  it('returns default ollama values when no OLLAMA_ vars set', () => {
+    const cfg = loadConfig();
+    expect(cfg.ollamaBaseUrl).toBe('http://localhost:11434');
+    expect(cfg.ollamaModel).toBe('qwen3:latest');
+    expect(cfg.ollamaTemperature).toBe(0.2);
+    expect(cfg.ollamaTimeout).toBe(60);
+  });
+
+  it('applies custom OLLAMA_BASE_URL', () => {
+    setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_BASE_URL: 'http://localhost:11435' });
+    const cfg = loadConfig();
+    expect(cfg.ollamaBaseUrl).toBe('http://localhost:11435');
+  });
+
+  it('returns raw OLLAMA_BASE_URL — trailing slash normalization is in the provider', () => {
+    setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_BASE_URL: 'http://localhost:11434/' });
+    const cfg = loadConfig();
+    expect(cfg.ollamaBaseUrl).toBe('http://localhost:11434/');
+  });
+
+  it('applies custom OLLAMA_MODEL', () => {
+    setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_MODEL: 'llama3' });
+    const cfg = loadConfig();
+    expect(cfg.ollamaModel).toBe('llama3');
+  });
+
+  it('applies custom OLLAMA_TEMPERATURE', () => {
+    setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_TEMPERATURE: '0.7' });
+    const cfg = loadConfig();
+    expect(cfg.ollamaTemperature).toBe(0.7);
+  });
+
+  it('applies custom OLLAMA_TIMEOUT', () => {
+    setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_TIMEOUT: '120' });
+    const cfg = loadConfig();
+    expect(cfg.ollamaTimeout).toBe(120);
+  });
+
+  it('throws on invalid OLLAMA_TEMPERATURE', () => {
+    setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_TEMPERATURE: 'abc' });
+    expect(() => loadConfig()).toThrow(
+      'Configuration error: OLLAMA_TEMPERATURE must be a positive number, got "abc".'
+    );
+  });
+
+  it('throws on negative OLLAMA_TIMEOUT', () => {
+    setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_TIMEOUT: '-10' });
+    expect(() => loadConfig()).toThrow(
+      'Configuration error: OLLAMA_TIMEOUT must be a positive number, got "-10".'
+    );
+  });
+
+  it('works with ollama provider and all ollama env vars', () => {
+    setEnv({
+      OPENAI_API_KEY: 'sk-test',
+      CHATGPT_MCP_PROVIDER: 'ollama',
+      OLLAMA_BASE_URL: 'http://ollama-server:8080',
+      OLLAMA_MODEL: 'mistral',
+      OLLAMA_TEMPERATURE: '0.5',
+      OLLAMA_TIMEOUT: '90',
+    });
+    const cfg = loadConfig();
+    expect(cfg.chatgptMcpProvider).toBe('ollama');
+    expect(cfg.ollamaBaseUrl).toBe('http://ollama-server:8080');
+    expect(cfg.ollamaModel).toBe('mistral');
+    expect(cfg.ollamaTemperature).toBe(0.5);
+    expect(cfg.ollamaTimeout).toBe(90);
+  });
+});
+
+describe('loadConfig ollama env vars with trailing slash', () => {
+  it('returns raw base URL — normalization happens in the provider', () => {
+    setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_BASE_URL: 'http://localhost:11434//' });
+    const cfg = loadConfig();
+    expect(cfg.ollamaBaseUrl).toBe('http://localhost:11434//');
+  });
+
+  it('returns raw base URL with multiple slashes', () => {
+    setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_BASE_URL: 'http://localhost:11434///' });
+    const cfg = loadConfig();
+    expect(cfg.ollamaBaseUrl).toBe('http://localhost:11434///');
+  });
+
+  it('handles base URL without trailing slash', () => {
+    setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_BASE_URL: 'http://localhost:11434' });
+    const cfg = loadConfig();
+    expect(cfg.ollamaBaseUrl).toBe('http://localhost:11434');
+  });
+
+  it('handles empty base URL as default', () => {
+    setEnv({ OPENAI_API_KEY: 'test-key', OLLAMA_BASE_URL: '' });
+    const cfg = loadConfig();
+    expect(cfg.ollamaBaseUrl).toBe('http://localhost:11434');
+  });
+});