Make rules configurable via API

- Add Rules struct and rules.json data file
- Read rules from file instead of hardcoding
- Add GET /rules and PUT /rules endpoints

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/main.rs

@@ -62,6 +62,11 @@ struct History {
     events: Vec<HistoryEvent>,
 }
 
+#[derive(Serialize, Deserialize)]
+struct Rules {
+    rules: Vec<String>,
+}
+
 #[derive(Serialize)]
 struct OrientResponse {
     project: ProjectInfo,
@@ -117,6 +122,7 @@ fn health() -> Response {
 fn orient() -> Response {
     let status_path = PathBuf::from(DATA_DIR).join("status.json");
     let history_path = PathBuf::from(DATA_DIR).join("history.json");
+    let rules_path = PathBuf::from(DATA_DIR).join("rules.json");
     let tickets_dir = PathBuf::from(DATA_DIR).join("tickets");
     let context_dir = PathBuf::from(DATA_DIR).join("context");
 
@@ -170,6 +176,9 @@ fn orient() -> Response {
         .take(5)
         .collect();
 
+    // Load rules from file
+    let rules_data: Rules = read_json(&rules_path).unwrap_or(Rules { rules: vec![] });
+
     let response = OrientResponse {
         project: ProjectInfo {
             name: "Egregore".to_string(),
@@ -179,14 +188,7 @@ fn orient() -> Response {
         status,
         current_ticket,
         suggested_ticket,
-        rules: vec![
-            "Claim a ticket before starting work".to_string(),
-            "Never commit secrets to git".to_string(),
-            "Always use the Python venv (~/.venv)".to_string(),
-            "Log completions to history".to_string(),
-            "Load context topics relevant to your ticket".to_string(),
-            "Commit and push changes to each service's git repo after modifications".to_string(),
-        ],
+        rules: rules_data.rules,
         available_context,
         recent_history,
     };
@@ -490,6 +492,32 @@ fn add_log(request: &Request) -> Response {
     }
 }
 
+// ============================================================================
+// Rules
+// ============================================================================
+
+fn get_rules() -> Response {
+    let path = PathBuf::from(DATA_DIR).join("rules.json");
+    match read_json::<Rules>(&path) {
+        Some(rules) => json_response(rules),
+        None => json_response(Rules { rules: vec![] }),
+    }
+}
+
+fn update_rules(request: &Request) -> Response {
+    let path = PathBuf::from(DATA_DIR).join("rules.json");
+
+    let rules: Rules = match rouille::input::json_input(request) {
+        Ok(r) => r,
+        Err(e) => return error_response(400, &format!("Invalid JSON: {}", e)),
+    };
+
+    match write_json(&path, &rules) {
+        Ok(_) => json_response(rules),
+        Err(e) => error_response(500, &e),
+    }
+}
+
 // ============================================================================
 // Router
 // ============================================================================
@@ -526,6 +554,10 @@ fn handle_request(request: &Request) -> Response {
         (GET) ["/history"] => { get_history() },
         (POST) ["/log"] => { add_log(request) },
 
+        // Rules
+        (GET) ["/rules"] => { get_rules() },
+        (PUT) ["/rules"] => { update_rules(request) },
+
         _ => Response::empty_404()
     )
 }