adds gemini support

web/src/App.tsx

@@ -123,6 +123,7 @@ const PROVIDER_FALLBACK_MODELS: Record<Provider, string[]> = {
   openai: ["gpt-4.1-mini"],
   anthropic: ["claude-3-5-sonnet-latest"],
   xai: ["grok-3-mini"],
+  gemini: ["gemini-3.5-flash", "gemini-flash-latest"],
   "hermes-agent": ["hermes-agent"],
 };
 
@@ -130,9 +131,10 @@ const EMPTY_MODEL_CATALOG: ModelCatalogResponse["providers"] = {
   openai: { models: [], loadedAt: null, error: null },
   anthropic: { models: [], loadedAt: null, error: null },
   xai: { models: [], loadedAt: null, error: null },
+  gemini: { models: [], loadedAt: null, error: null },
 };
 
-const BASE_PROVIDERS: Provider[] = ["openai", "anthropic", "xai"];
+const BASE_PROVIDERS: Provider[] = ["openai", "anthropic", "xai", "gemini"];
 const ALL_PROVIDERS: Provider[] = [...BASE_PROVIDERS, "hermes-agent"];
 
 const MODEL_PREFERENCES_STORAGE_KEY = "sybil:modelPreferencesByProvider";
@@ -149,6 +151,7 @@ const EMPTY_MODEL_PREFERENCES: ProviderModelPreferences = {
   openai: null,
   anthropic: null,
   xai: null,
+  gemini: null,
   "hermes-agent": null,
 };
 const EMPTY_ACTIVE_RUNS: ActiveRunsState = {
@@ -345,6 +348,7 @@ function loadStoredModelPreferences() {
       openai: typeof parsed.openai === "string" && parsed.openai.trim() ? parsed.openai.trim() : null,
       anthropic: typeof parsed.anthropic === "string" && parsed.anthropic.trim() ? parsed.anthropic.trim() : null,
       xai: typeof parsed.xai === "string" && parsed.xai.trim() ? parsed.xai.trim() : null,
+      gemini: typeof parsed.gemini === "string" && parsed.gemini.trim() ? parsed.gemini.trim() : null,
       "hermes-agent":
         typeof parsed["hermes-agent"] === "string" && parsed["hermes-agent"].trim() ? parsed["hermes-agent"].trim() : null,
     };
@@ -354,7 +358,9 @@ function loadStoredModelPreferences() {
 }
 
 function normalizeStoredProvider(value: unknown): Provider {
-  return value === "anthropic" || value === "xai" || value === "openai" || value === "hermes-agent" ? value : "openai";
+  return value === "anthropic" || value === "xai" || value === "gemini" || value === "openai" || value === "hermes-agent"
+    ? value
+    : "openai";
 }
 
 function normalizeStoredModelPreferences(value: unknown): ProviderModelPreferences {
@@ -364,6 +370,7 @@ function normalizeStoredModelPreferences(value: unknown): ProviderModelPreferenc
       openai: typeof parsed.openai === "string" && parsed.openai.trim() ? parsed.openai.trim() : null,
       anthropic: typeof parsed.anthropic === "string" && parsed.anthropic.trim() ? parsed.anthropic.trim() : null,
       xai: typeof parsed.xai === "string" && parsed.xai.trim() ? parsed.xai.trim() : null,
+      gemini: typeof parsed.gemini === "string" && parsed.gemini.trim() ? parsed.gemini.trim() : null,
       "hermes-agent":
         typeof parsed["hermes-agent"] === "string" && parsed["hermes-agent"].trim() ? parsed["hermes-agent"].trim() : null,
     };
@@ -395,6 +402,7 @@ function getProviderLabel(provider: Provider | null | undefined) {
   if (provider === "openai") return "OpenAI";
   if (provider === "anthropic") return "Anthropic";
   if (provider === "xai") return "xAI";
+  if (provider === "gemini") return "Gemini";
   if (provider === "hermes-agent") return "Hermes Agent";
   return "";
 }

web/src/lib/api.ts

@@ -149,7 +149,7 @@ export type CompletionRequestMessage = {
   attachments?: ChatAttachment[];
 };
 
-export type Provider = "openai" | "anthropic" | "xai" | "hermes-agent";
+export type Provider = "openai" | "anthropic" | "xai" | "gemini" | "hermes-agent";
 
 export type ProviderModelInfo = {
   models: string[];