feat: add username/slug based agent API endpoints

- Add /api/[username]/agents/[agentSlug]/conversation/[conversationId]
- Add /api/[username]/agents/[agentSlug]/conversations
- Update agent dashboard API docs to use new URL format
- Include user.username in agent API response
- Update Discord summary workflow to use new endpoint format

.github/workflows/discord-summary.yml

@@ -26,10 +26,11 @@ jobs:
           echo "Triggering agent with conversation: ${{ steps.conv-id.outputs.conv_id }}"
 
           # POST to the agent conversation endpoint
-          # Agent ID: Discord Daily Summary agent on tpmjs.com
+          # Uses username/agent-slug URL format: /api/{username}/agents/{agent-slug}/conversation/{conv-id}
+          # Agent: ajax/tpmjs-discord-summary
           # Requires API key with agent:chat scope
           RESPONSE=$(curl -s -X POST \
-            "https://tpmjs.com/api/agents/cmk9utpvg0001kz04csbisvf5/conversation/${{ steps.conv-id.outputs.conv_id }}" \
+            "https://tpmjs.com/api/ajax/agents/tpmjs-discord-summary/conversation/${{ steps.conv-id.outputs.conv_id }}" \
             -H "Authorization: Bearer $TPMJS_API_KEY" \
             -H "Content-Type: application/json" \
             -d '{

apps/web/src/app/api/agents/[id]/conversation/[conversationId]/route.ts

@@ -76,6 +76,7 @@ async function getProviderModel(
  * POST /api/agents/[id]/conversation/[conversationId]
  * Send a message and stream the AI response via SSE
  */
+// biome-ignore lint/complexity/noExcessiveCognitiveComplexity: Complex streaming logic required
 export async function POST(request: NextRequest, context: RouteContext): Promise<Response> {
   const startTime = Date.now();
 
@@ -291,6 +292,7 @@ export async function POST(request: NextRequest, context: RouteContext): Promise
 
     // Create SSE stream
     const stream = new ReadableStream({
+      // biome-ignore lint/complexity/noExcessiveCognitiveComplexity: Complex streaming logic
       async start(controller) {
         const encoder = new TextEncoder();
 
@@ -345,6 +347,7 @@ export async function POST(request: NextRequest, context: RouteContext): Promise
                 });
               }
             },
+            // biome-ignore lint/complexity/noExcessiveCognitiveComplexity: Complex callback
             onStepFinish: async ({ toolCalls, toolResults, usage }) => {
               // Capture tool calls from step finish (backup in case onChunk missed any)
               if (toolCalls && Array.isArray(toolCalls)) {