Configure agent thinking from the CLI (#2533)

* feat(cli): update agent thinking from the CLI

* fix(cli): harden agent thinking updates

* feat(cli): configure thinking for schedules

* fix(cli): report applied thinking updates

* fix(cli): report current agent thinking state

packages/cli/tests/31-loop-schedule.test.ts

@@ -100,6 +100,8 @@ try {
         "10m",
         "--provider",
         "codex/gpt-5.4",
+        "--thinking",
+        "high",
         "--json",
       ],
       { timeout: 30000 },
@@ -113,6 +115,7 @@ try {
     const inspectedJson = JSON.parse(inspected.stdout);
     assert.strictEqual(inspectedJson.target.config.provider, "codex");
     assert.strictEqual(inspectedJson.target.config.model, "gpt-5.4");
+    assert.strictEqual(inspectedJson.target.config.thinkingOptionId, "high");
 
     const deleted = await ctx.paseo(["schedule", "delete", createdJson.id, "--json"]);
     assert.strictEqual(deleted.exitCode, 0, deleted.stderr);