RHIDP-14310: add saved prompts endpoints to intelligent-assistant backend

workspaces/intelligent-assistant/.changeset/bright-crabs-hide.md

@@ -0,0 +1,7 @@
+---
+'@red-hat-developer-hub/backstage-plugin-intelligent-assistant-backend': minor
+'@red-hat-developer-hub/backstage-plugin-intelligent-assistant-common': minor
+'@red-hat-developer-hub/backstage-plugin-intelligent-assistant': minor
+---
+
+add saved prompts endpoint

workspaces/intelligent-assistant/plugins/intelligent-assistant-backend/README.md

@@ -344,6 +344,9 @@ p, role:default/team_a, intelligent-assistant.notebooks.use, update, allow
 p, role:default/team_a, intelligent-assistant.mcp.read, read, allow
 p, role:default/team_a, intelligent-assistant.mcp.manage, update, allow
 
+# Required for saved prompts
+p, role:default/team_a, intelligent-assistant.saved-prompts.manage, update, allow
+
 g, user:default/<your-user-name>, role:default/team_a
 
 ```

workspaces/intelligent-assistant/plugins/intelligent-assistant-backend/__fixtures__/lcsHandlers.ts

@@ -287,6 +287,51 @@ export const lcsHandlers: HttpHandler[] = [
     });
   }),
 
+  http.get(`${LOCAL_LCS_ADDR}/v1/saved-prompts/config`, () =>
+    HttpResponse.json({
+      max_prompts_per_user: 50,
+      max_display_name_length: 255,
+      max_content_length: 10000,
+    }),
+  ),
+
+  http.get(`${LOCAL_LCS_ADDR}/v1/saved-prompts`, () =>
+    HttpResponse.json({
+      prompts: [
+        {
+          id: 'sp-1',
+          name: 'Explain error',
+          content: 'Explain this stack trace',
+          created_at: '2026-07-22T16:00:00+00:00',
+          updated_at: '2026-07-22T16:00:00+00:00',
+        },
+      ],
+    }),
+  ),
+
+  http.post(`${LOCAL_LCS_ADDR}/v1/saved-prompts`, async ({ request }) => {
+    const body = (await request.json()) as { name: string; content: string };
+    return HttpResponse.json(
+      {
+        id: 'sp-new',
+        name: body.name,
+        content: body.content,
+        created_at: '2026-07-22T16:00:00+00:00',
+        updated_at: '2026-07-22T16:00:00+00:00',
+      },
+      { status: 201 },
+    );
+  }),
+
+  // Conversations/MCP-style delete: HTTP 200 + JSON (not 204)
+  http.delete(`${LOCAL_LCS_ADDR}/v1/saved-prompts/:prompt_id`, ({ params }) =>
+    HttpResponse.json({
+      prompt_id: params.prompt_id,
+      deleted: true,
+      response: 'Saved prompt deleted successfully',
+    }),
+  ),
+
   // Catch-all handler for unknown paths
   http.all(`${LOCAL_LCS_ADDR}/*`, ({ request }) => {
     console.log(`Caught request to unknown path: ${request.url}`);

workspaces/intelligent-assistant/plugins/intelligent-assistant-backend/src/service/constant.ts

@@ -210,7 +210,11 @@ export const HTML_IGNORED_TAGS = new Set(['script', 'style']);
 
 export const POLL_INTERVAL_MS = 1000; // 1 second
 
-export const SKIP_USER_ID_ENDPOINTS = new Set(['/v1/models', '/v1/shields']);
+export const SKIP_USER_ID_ENDPOINTS = new Set([
+  '/v1/models',
+  '/v1/shields',
+  '/v1/saved-prompts/config',
+]);
 
 // default number of message history being loaded
 export const DEFAULT_HISTORY_LENGTH = 10;