fix: recover missing Reasonix sessions

src/workflow-executor.ts

@@ -384,6 +384,17 @@ function getWorkspaceFromJsonl(jsonlPath: string): string | undefined {
   return undefined;
 }
 
+function reasonixProjectDir(projectsDir: string, repoRoot: string): string {
+  const projectKey = path.resolve(repoRoot).replaceAll(path.sep, "-");
+  return path.join(projectsDir, projectKey);
+}
+
+function isSessionInReasonixProject(jsonlPath: string, projectsDir: string, repoRoot: string): boolean {
+  const sessionsDir = path.join(reasonixProjectDir(projectsDir, repoRoot), "sessions");
+  const relative = path.relative(sessionsDir, jsonlPath);
+  return relative !== "" && !relative.startsWith(`..${path.sep}`) && !path.isAbsolute(relative);
+}
+
 function listJsonlFiles(dir: string, repoRoot?: string): string[] {
   if (!fs.existsSync(dir)) return [];
   const result: string[] = [];
@@ -411,7 +422,7 @@ function listJsonlFiles(dir: string, repoRoot?: string): string[] {
           if (fs.existsSync(metaFile)) {
             if (repoRoot) {
               const ws = getWorkspaceFromJsonl(full);
-              if (ws === repoRoot) {
+              if (ws === repoRoot || isSessionInReasonixProject(full, dir, repoRoot)) {
                 result.push(full);
               }
             } else {
@@ -427,6 +438,41 @@ function listJsonlFiles(dir: string, repoRoot?: string): string[] {
   return result;
 }
 
+function sessionContainsPlanTitle(jsonlPath: string, planTitle: string): boolean {
+  try {
+    const content = fs.readFileSync(jsonlPath, "utf8");
+    return content.includes(`# Implementation Task: ${planTitle}`);
+  } catch {
+    return false;
+  }
+}
+
+export function findReasonixSessionForWorkflow(
+  repoRoot: string,
+  planTitle: string,
+  startedAt?: string,
+  completedAt?: string,
+): string | undefined {
+  const homeDir = process.env.HOME || os.homedir();
+  const projectsDir = path.join(homeDir, ".reasonix", "projects");
+  const startMs = startedAt ? Date.parse(startedAt) : Number.NEGATIVE_INFINITY;
+  const endMs = completedAt ? Date.parse(completedAt) : Number.POSITIVE_INFINITY;
+  const toleranceMs = 5000;
+
+  const candidates = listJsonlFiles(projectsDir, repoRoot).filter((file) => {
+    if (!sessionContainsPlanTitle(file, planTitle)) return false;
+    try {
+      const mtimeMs = fs.statSync(file).mtimeMs;
+      return mtimeMs >= startMs - toleranceMs && mtimeMs <= endMs + toleranceMs;
+    } catch {
+      return false;
+    }
+  });
+
+  candidates.sort((a, b) => fs.statSync(b).mtimeMs - fs.statSync(a).mtimeMs);
+  return candidates[0];
+}
+
 function detectNewSessionFile(beforeSnapshot: Set<string>, searchDirs: string[], repoRoot: string): string | undefined {
   const candidates: string[] = [];
   for (const dir of searchDirs) {