fix pipeline stop, jobs link navigation, and seed quote stripping

- Fix stop: abort poll now rejects the promise after killing the agent process
- Fix jobs link: close modal before navigating, use react-router navigate
- Fix seed parser: strip quotes from step input values (delete_source: "true")

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

src/databases/officer_db/seed-tasks.ts

@@ -140,7 +140,8 @@ function parseFrontmatter(content: string) {
       // Step input entries (6 spaces)
       const inputMatch = line.match(/^\s{6}(\w[\w_-]*):\s*(.+)$/);
       if (inputMatch && inInputs) {
-        stepInputs[inputMatch[1]!] = inputMatch[2]!.trim();
+        const raw = inputMatch[2]!.trim();
+        stepInputs[inputMatch[1]!] = raw.replace(/^["'](.*)["']$/, '$1');
       }
     }
     if (currentStep) {