CSV TC import

actions/shots.ts

@@ -873,6 +873,57 @@ export async function importShotsFromEdl(
   return { created, updated, skipped, errors };
 }
 
+// ── Picture Tracker / Sequence Timecode Update ────────────────────────────────
+
+export interface SeqTimecodeRow {
+  shotCode: string;
+  seqTimecodeStart: string;
+  seqTimecodeEnd: string;
+}
+
+export async function updateShotsSeqTimecodes(
+  projectId: string,
+  rows: SeqTimecodeRow[]
+): Promise<{ updated: string[]; skipped: string[]; errors: string[] }> {
+  const session = await auth();
+  if (!session?.user) throw new Error("Unauthorized");
+  if (!["ADMIN", "PRODUCER", "SUPERVISOR"].includes(session.user.role)) {
+    throw new Error("Insufficient permissions");
+  }
+
+  const updated: string[] = [];
+  const skipped: string[] = [];
+  const errors: string[] = [];
+
+  for (const row of rows) {
+    try {
+      const existing = await db.shot.findFirst({
+        where: { projectId, shotCode: row.shotCode },
+        select: { id: true },
+      });
+
+      if (!existing) {
+        skipped.push(row.shotCode);
+        continue;
+      }
+
+      await db.shot.update({
+        where: { id: existing.id },
+        data: {
+          seqTimecodeStart: row.seqTimecodeStart || null,
+          seqTimecodeEnd:   row.seqTimecodeEnd   || null,
+        },
+      });
+      updated.push(row.shotCode);
+    } catch (e) {
+      errors.push(`${row.shotCode}: ${e instanceof Error ? e.message : "Unknown error"}`);
+    }
+  }
+
+  revalidatePath(`/projects/${projectId}`);
+  return { updated, skipped, errors };
+}
+
 /**
  * Internal: handle client requesting changes on a shot.
  * Resets shotApprovalStatus = PENDING, sharedWithClient = false.