Update LLM model and reasoning controls

{
  "backend": {
    "author": {
      "email": "drschwabe@fastmail.com",
      "name": "Derrick Schwabe",
      "time": 1789404287
    },
    "commit": "git:sha1:ee5b4472e92a36fbe76bdbe37747a517df09ef7c",
    "committer": {
      "email": "drschwabe@fastmail.com",
      "name": "Derrick Schwabe",
      "time": 1789404287
    },
    "manifest": "mmm-manifest:sha256:09605439087de44459fd85c5cbba9664c9e708a2776453bcc7ea572d220e116d",
    "message": "Update LLM model and reasoning controls",
    "objectFormat": "sha1",
    "parents": [
      "git:sha1:b838732616d1d60f43b1e782444762ad864cf071"
    ],
    "ref": "refs/heads/master",
    "summary": "Update LLM model and reasoning controls",
    "tree": "git:sha1:1a8f2cf4277eb2189e98fd35a04a42167f693e8f",
    "type": "git"
  },
  "issuedAt": "2026-09-15T14:29:57.292Z",
  "previous": "mmm-revision:sha256:76b8fcce45fafab428fbafafc2c407a75e864edadd346e4709bba859a1bbbb8f",
  "project": "mmm1np06566gf6u8fpyj84u2emf25l98qad36700d2nlep6jzqdknp8qkyd3xu",
  "protocol": "mmm/0-alpha",
  "sequence": 219,
  "type": "mmm/revision"
}