project summaries addition

packages/memory-service/src/db/summaries.js

@@ -50,4 +50,27 @@ function deleteSummary(id) {
     getDB().prepare(`DELETE FROM summaries WHERE id = ?`).run(id);
 }
 
-module.exports = { createSummary, getSummary, getSummariesBySession, getSummariesByProject, updateSummary, deleteSummary };
+// Fetches session summaries that belong to sessions in a given project
+// Joins through sessions table since session summaries don't store project_id directly
+function getSessionSummariesForProject(projectId) {
+    const db = getDB();
+    return db.prepare(`
+        SELECT s.* FROM summaries s
+        JOIN sessions sess ON sess.id = s.session_id
+        WHERE sess.project_id = ? AND s.session_id IS NOT NULL
+        ORDER BY s.created_at ASC
+    `).all(projectId).map(parseRow);
+}
+
+// Fetches the most recent project-level overview summary (session_id IS NULL distinguishes it)
+function getProjectOverviewSummary(projectId) {
+    const db = getDB();
+    const row = db.prepare(`
+        SELECT * FROM summaries
+        WHERE project_id = ? AND session_id IS NULL
+        ORDER BY created_at DESC LIMIT 1
+    `).get(projectId);
+    return row ? parseRow(row) : null;
+}
+
+module.exports = { createSummary, getSummary, getSummariesBySession, getSummariesByProject, updateSummary, deleteSummary, getSessionSummariesForProject, getProjectOverviewSummary };