feat: Mission Control dashboard for project management

lib/ai/geminiClient.ts

@@ -93,11 +93,12 @@ export const generateSiteMenteText = async (
 ): Promise<string> => {
   try {
     const client = getClient();
-    const response = await client.models.generateContent({
+    const params = {
       model: TEXT_MODEL,
       contents: buildContents(messages),
-      systemInstruction: buildSystemInstruction(messages),
-    });
+    } as any;
+    params.systemInstruction = buildSystemInstruction(messages);
+    const response = await client.models.generateContent(params);
     return extractText(response);
   } catch (error) {
     console.error("[SiteMente][Gemini] Text generation failed", error);

lib/ai/siteMenteAgent.ts

@@ -31,8 +31,8 @@ const SYSTEM_PROMPT = [
   "Keep answers concise, practical, and business-oriented.",
 ].join(" ");
 
-const withSystemPrompt = (messages: SiteMenteMessage[]) => {
-  return [{ role: "system", content: SYSTEM_PROMPT }, ...messages];
+const withSystemPrompt = (messages: SiteMenteMessage[]): SiteMenteMessage[] => {
+  return [{ role: "system" as const, content: SYSTEM_PROMPT }, ...messages];
 };
 
 export const runSiteMenteText = async (