chore: add gitignore for mock-seed, roam CI workflow, formatting

- Add tools/mock-seed/ to .gitignore
- Add .github/workflows/roam.yml CI workflow
- Add .roam/fitness.yaml architectural fitness rules
- Rustfmt formatting fixes in show.rs and vector.rs
- Beads sync

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/cli/commands/show.rs

@@ -160,6 +160,7 @@ pub fn run_show_issue(
     })
 }
 
+#[derive(Debug)]
 struct IssueRow {
     id: i64,
     iid: i64,
@@ -1218,6 +1219,172 @@ mod tests {
         .unwrap();
     }
 
+    fn seed_second_project(conn: &Connection) {
+        conn.execute(
+            "INSERT INTO projects (id, gitlab_project_id, path_with_namespace, web_url, created_at, updated_at)
+             VALUES (2, 101, 'other/repo', 'https://gitlab.example.com/other', 1000, 2000)",
+            [],
+        )
+        .unwrap();
+    }
+
+    fn seed_discussion_with_notes(
+        conn: &Connection,
+        issue_id: i64,
+        project_id: i64,
+        user_notes: usize,
+        system_notes: usize,
+    ) {
+        let disc_id: i64 = conn
+            .query_row(
+                "SELECT COALESCE(MAX(id), 0) + 1 FROM discussions",
+                [],
+                |r| r.get(0),
+            )
+            .unwrap();
+        conn.execute(
+            "INSERT INTO discussions (id, gitlab_discussion_id, project_id, issue_id, noteable_type, first_note_at, last_note_at, last_seen_at)
+             VALUES (?1, ?2, ?3, ?4, 'Issue', 1000, 2000, 2000)",
+            rusqlite::params![disc_id, format!("disc-{}", disc_id), project_id, issue_id],
+        )
+        .unwrap();
+        for i in 0..user_notes {
+            conn.execute(
+                "INSERT INTO notes (gitlab_id, discussion_id, project_id, author_username, body, created_at, updated_at, last_seen_at, is_system, position)
+                 VALUES (?1, ?2, ?3, 'user1', 'comment', 1000, 2000, 2000, 0, ?4)",
+                rusqlite::params![1000 + disc_id * 100 + i as i64, disc_id, project_id, i as i64],
+            )
+            .unwrap();
+        }
+        for i in 0..system_notes {
+            conn.execute(
+                "INSERT INTO notes (gitlab_id, discussion_id, project_id, author_username, body, created_at, updated_at, last_seen_at, is_system, position)
+                 VALUES (?1, ?2, ?3, 'system', 'status changed', 1000, 2000, 2000, 1, ?4)",
+                rusqlite::params![2000 + disc_id * 100 + i as i64, disc_id, project_id, (user_notes + i) as i64],
+            )
+            .unwrap();
+        }
+    }
+
+    // --- find_issue tests ---
+
+    #[test]
+    fn test_find_issue_basic() {
+        let conn = setup_test_db();
+        seed_issue(&conn);
+        let row = find_issue(&conn, 10, None).unwrap();
+        assert_eq!(row.iid, 10);
+        assert_eq!(row.title, "Test issue");
+        assert_eq!(row.state, "opened");
+        assert_eq!(row.author_username, "author");
+        assert_eq!(row.project_path, "group/repo");
+    }
+
+    #[test]
+    fn test_find_issue_with_project_filter() {
+        let conn = setup_test_db();
+        seed_issue(&conn);
+        let row = find_issue(&conn, 10, Some("group/repo")).unwrap();
+        assert_eq!(row.iid, 10);
+        assert_eq!(row.project_path, "group/repo");
+    }
+
+    #[test]
+    fn test_find_issue_not_found() {
+        let conn = setup_test_db();
+        seed_issue(&conn);
+        let err = find_issue(&conn, 999, None).unwrap_err();
+        assert!(matches!(err, LoreError::NotFound(_)));
+    }
+
+    #[test]
+    fn test_find_issue_wrong_project_filter() {
+        let conn = setup_test_db();
+        seed_issue(&conn);
+        seed_second_project(&conn);
+        // Issue 10 only exists in project 1, not project 2
+        let err = find_issue(&conn, 10, Some("other/repo")).unwrap_err();
+        assert!(matches!(err, LoreError::NotFound(_)));
+    }
+
+    #[test]
+    fn test_find_issue_ambiguous_without_project() {
+        let conn = setup_test_db();
+        seed_issue(&conn); // issue iid=10 in project 1
+        seed_second_project(&conn);
+        conn.execute(
+            "INSERT INTO issues (id, gitlab_id, iid, project_id, title, state, author_username,
+             created_at, updated_at, last_seen_at)
+             VALUES (2, 201, 10, 2, 'Same iid different project', 'opened', 'author', 1000, 2000, 2000)",
+            [],
+        )
+        .unwrap();
+        let err = find_issue(&conn, 10, None).unwrap_err();
+        assert!(matches!(err, LoreError::Ambiguous(_)));
+    }
+
+    #[test]
+    fn test_find_issue_ambiguous_resolved_with_project() {
+        let conn = setup_test_db();
+        seed_issue(&conn);
+        seed_second_project(&conn);
+        conn.execute(
+            "INSERT INTO issues (id, gitlab_id, iid, project_id, title, state, author_username,
+             created_at, updated_at, last_seen_at)
+             VALUES (2, 201, 10, 2, 'Same iid different project', 'opened', 'author', 1000, 2000, 2000)",
+            [],
+        )
+        .unwrap();
+        let row = find_issue(&conn, 10, Some("other/repo")).unwrap();
+        assert_eq!(row.title, "Same iid different project");
+    }
+
+    #[test]
+    fn test_find_issue_user_notes_count_zero() {
+        let conn = setup_test_db();
+        seed_issue(&conn);
+        let row = find_issue(&conn, 10, None).unwrap();
+        assert_eq!(row.user_notes_count, 0);
+    }
+
+    #[test]
+    fn test_find_issue_user_notes_count_excludes_system() {
+        let conn = setup_test_db();
+        seed_issue(&conn);
+        // 2 user notes + 3 system notes = should count only 2
+        seed_discussion_with_notes(&conn, 1, 1, 2, 3);
+        let row = find_issue(&conn, 10, None).unwrap();
+        assert_eq!(row.user_notes_count, 2);
+    }
+
+    #[test]
+    fn test_find_issue_user_notes_count_across_discussions() {
+        let conn = setup_test_db();
+        seed_issue(&conn);
+        seed_discussion_with_notes(&conn, 1, 1, 3, 0); // 3 user notes
+        seed_discussion_with_notes(&conn, 1, 1, 1, 2); // 1 user note + 2 system
+        let row = find_issue(&conn, 10, None).unwrap();
+        assert_eq!(row.user_notes_count, 4);
+    }
+
+    #[test]
+    fn test_find_issue_notes_count_ignores_other_issues() {
+        let conn = setup_test_db();
+        seed_issue(&conn);
+        // Add a second issue
+        conn.execute(
+            "INSERT INTO issues (id, gitlab_id, iid, project_id, title, state, author_username,
+             created_at, updated_at, last_seen_at)
+             VALUES (2, 201, 20, 1, 'Other issue', 'opened', 'author', 1000, 2000, 2000)",
+            [],
+        )
+        .unwrap();
+        // Notes on issue 2, not issue 1
+        seed_discussion_with_notes(&conn, 2, 1, 5, 0);
+        let row = find_issue(&conn, 10, None).unwrap();
+        assert_eq!(row.user_notes_count, 0); // Issue 10 has no notes
+    }
+
     #[test]
     fn test_ansi256_from_rgb() {
         assert_eq!(ansi256_from_rgb(0, 0, 0), 16);

src/search/vector.rs

@@ -150,7 +150,10 @@ mod tests {
     #[test]
     fn test_knn_k_reproduces_original_bug_scenario() {
         let k = compute_knn_k(1500, 1);
-        assert!(k <= SQLITE_VEC_KNN_MAX, "k={k} exceeded 4096 at RECALL_CAP with 1 chunk");
+        assert!(
+            k <= SQLITE_VEC_KNN_MAX,
+            "k={k} exceeded 4096 at RECALL_CAP with 1 chunk"
+        );
     }
 
     #[test]