Add provider/model selection for schedules and workspace fetch debug logging

- Unify resolveProviderAndModel across CLI and server, supporting
  provider/model syntax (e.g. codex/gpt-5.4) for agent runs and schedules
- Add --provider flag to schedule create CLI and both MCP schedule tools
- Add structured debug logging to workspace fetch hydrate, sidebar
  refresh, and real-time update paths
- Update orchestrate skill references

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

@@ -23,6 +23,11 @@ try {
     const createdJson = JSON.parse(created.stdout);
     assert.strictEqual(createdJson.name, "review-prs");
     assert.strictEqual(createdJson.cadence, "every:5m");
+    assert(
+      typeof createdJson.target === "string" &&
+        (createdJson.target.startsWith("agent:") || createdJson.target === "new-agent:claude"),
+      created.stdout,
+    );
 
     const listed = await ctx.paseo(["schedule", "ls", "--json"]);
     assert.strictEqual(listed.exitCode, 0, listed.stderr);
@@ -53,6 +58,61 @@ try {
     console.log("schedule commands work\n");
   }
 
+  {
+    console.log("Test 1b: schedule create accepts provider/model syntax for new-agent runs");
+    const created = await ctx.paseo(
+      [
+        "schedule",
+        "create",
+        "Refactor the API layer",
+        "--every",
+        "10m",
+        "--provider",
+        "codex/gpt-5.4",
+        "--json",
+      ],
+      { timeout: 30000 },
+    );
+    assert.strictEqual(created.exitCode, 0, created.stderr);
+    const createdJson = JSON.parse(created.stdout);
+    assert.strictEqual(createdJson.target, "new-agent:codex/gpt-5.4");
+
+    const inspected = await ctx.paseo(["schedule", "inspect", createdJson.id, "--json"]);
+    assert.strictEqual(inspected.exitCode, 0, inspected.stderr);
+    const inspectedJson = JSON.parse(inspected.stdout);
+    assert.strictEqual(inspectedJson.target.config.provider, "codex");
+    assert.strictEqual(inspectedJson.target.config.model, "gpt-5.4");
+
+    const deleted = await ctx.paseo(["schedule", "delete", createdJson.id, "--json"]);
+    assert.strictEqual(deleted.exitCode, 0, deleted.stderr);
+    console.log("schedule provider/model syntax works\n");
+  }
+
+  {
+    console.log("Test 1c: schedule create rejects provider with self target");
+    const result = await ctx.paseo(
+      [
+        "schedule",
+        "create",
+        "Conflicting schedule",
+        "--every",
+        "5m",
+        "--target",
+        "self",
+        "--provider",
+        "codex/gpt-5.4",
+      ],
+      { timeout: 30000 },
+    );
+    assert.notStrictEqual(result.exitCode, 0, "should fail for self target with provider");
+    const output = result.stdout + result.stderr;
+    assert(
+      output.includes("--provider can only be used with a new-agent target"),
+      "should explain provider target mismatch",
+    );
+    console.log("schedule rejects provider with self target\n");
+  }
+
   {
     console.log("Test 2: loop run/ls/inspect/logs/stop work");
     const run = await ctx.paseo(