feat(lanes): record which CLI tool drives a lane

server/lib/dashboard-runs.js

@@ -25,11 +25,11 @@ const insertStmt = db.prepare(`
   INSERT OR REPLACE INTO dashboard_runs (
     id, session_id, mode, cwd, model, permission_mode, effort,
     resume_session_id, prompt_preview, status, exit_code, started_at, ended_at,
-    lane_id
+    lane_id, tool
   ) VALUES (
     @id, @session_id, @mode, @cwd, @model, @permission_mode, @effort,
     @resume_session_id, @prompt_preview, @status, @exit_code, @started_at, @ended_at,
-    @lane_id
+    @lane_id, @tool
   )
 `);
 
@@ -44,7 +44,7 @@ const updateStmt = db.prepare(`
 
 const RUN_COLUMNS = `id, session_id, mode, cwd, model, permission_mode, effort,
          resume_session_id, prompt_preview, status, exit_code,
-         started_at, ended_at, lane_id`;
+         started_at, ended_at, lane_id, tool`;
 
 const listStmt = db.prepare(`
   SELECT ${RUN_COLUMNS}
@@ -89,6 +89,7 @@ function recordRun(handle) {
       started_at: startedAt,
       ended_at: endedAt,
       lane_id: typeof handle.laneId === "number" ? handle.laneId : null,
+      tool: handle.tool === "codex" ? "codex" : "claude",
     });
   } catch {
     /* persistence is best-effort */

server/lib/lanes.js

@@ -95,6 +95,14 @@ function validateKind(kind) {
   }
 }
 
+const VALID_TOOLS = new Set(["claude", "codex"]);
+
+function validateTool(tool) {
+  if (!VALID_TOOLS.has(tool)) {
+    throw Object.assign(new Error(`unknown tool: ${tool}`), { code: "EBADTOOL" });
+  }
+}
+
 /**
  * `getPipeline` falls back to the default template for an unknown id — correct
  * when READING (a lane must always render something), wrong when WRITING: a
@@ -139,15 +147,17 @@ function createLane({
   source_repo = null,
   base_branch = null,
   slug = null,
+  tool = "claude",
 } = {}) {
   if (!cwd || typeof cwd !== "string" || !cwd.startsWith("/")) {
     throw Object.assign(new Error("cwd must be an absolute path"), { code: "EBADCWD" });
   }
   validateKind(kind);
   validatePipeline(pipeline);
+  validateTool(tool);
   const info = db
     .prepare(
-      "INSERT INTO lanes (title, cwd, branch, pipeline, kind, source_repo, base_branch, slug, stage_since) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)"
+      "INSERT INTO lanes (title, cwd, branch, pipeline, kind, source_repo, base_branch, slug, tool, stage_since) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"
     )
     .run(
       title,
@@ -158,6 +168,7 @@ function createLane({
       source_repo,
       base_branch,
       slug,
+      tool,
       nowIso()
     );
   return getLane(info.lastInsertRowid);
@@ -599,6 +610,7 @@ function purgeLaneSessions(laneId) {
 
 module.exports = {
   DEAD_SEC,
+  VALID_TOOLS,
   createLane,
   listLanes,
   getLane,