qna_comments_apply

# qna_comments_apply

Changes comments in the Q&A app (pApp A00009). Another app code is refused before any request. Called without confirmToken it previews and returns a confirmToken; repeating the same input with it executes once.

## Inputs

| Field | Required here | Contract |
| --- | --- | --- |
| `postId` | Yes | integer; greater than 0 |
| `action` | Yes | one of: `reply`, `delete`, `pin` (by `kind`) |
| `action.content` | Yes | When `action.kind` is `reply`: string; min length 1; max length 15000; For inquiry answers: original HTML, conservatively capped at 15,000 serialized units. Other comments: at most 3,000 units. Comments need at least one non-space character; inquiry answers need at least 2 units. |
| `action.source` | No | When `action.kind` is `reply`: one of: `local-file`, `more-parts`, `complete`, `cancel` (by `kind`) |
| `action.source.filename` | Yes | When `action.kind` is `reply` and `action.source.kind` is `local-file`: string; min length 1; max length 240; pattern `^[^/\\:\x00-\x1f\x7f]+$`; The name of the file on this computer, with its extension. |
| `action.source.byteLength` | Yes | When `action.kind` is `reply` and `action.source.kind` is `local-file`: integer; greater than 0; The exact file size in bytes (for example from `wc -c < FILE` or `stat`). |
| `action.source.sha256` | No | When `action.kind` is `reply` and `action.source.kind` is `local-file`: string; pattern `^[0-9a-f]{64}$`; The SHA-256 of the file in lowercase hex (shasum -a 256 FILE). Required when the upload answers UPLOAD_CHECKSUM_REQUIRED. |
| `action.source.uploadId` | Yes | When `action.kind` is `reply` and `action.source.kind` is `more-parts`: string; pattern `^upl_[A-Za-z0-9_-]{22}$` |
| `action.source.fromPart` | Yes | When `action.kind` is `reply` and `action.source.kind` is `more-parts`: integer; minimum 1; maximum 10000 |
| `action.source.uploadId` | Yes | When `action.kind` is `reply` and `action.source.kind` is `complete`: string; pattern `^upl_[A-Za-z0-9_-]{22}$` |
| `action.source.parts` | Yes | When `action.kind` is `reply` and `action.source.kind` is `complete`: array; min items 1; max items 10000 |
| `action.source.parts[].partNumber` | Yes | When `action.kind` is `reply` and `action.source.kind` is `complete`: integer; minimum 1; maximum 10000 |
| `action.source.parts[].etag` | Yes | When `action.kind` is `reply` and `action.source.kind` is `complete`: string; min length 1; max length 200 |
| `action.source.measured` | No | When `action.kind` is `reply` and `action.source.kind` is `complete`: object |
| `action.source.measured.durationSeconds` | Yes | When `action.kind` is `reply` and `action.source.kind` is `complete`: number; maximum 1000000; greater than 0; Video duration in seconds (ffprobe format.duration). |
| `action.source.measured.frameRate` | Yes | When `action.kind` is `reply` and `action.source.kind` is `complete`: number; maximum 1000; greater than 0; Frames per second (ffprobe avg_frame_rate, for example 30000/1001 = 29.97). |
| `action.source.measured.width` | Yes | When `action.kind` is `reply` and `action.source.kind` is `complete`: integer; maximum 100000; greater than 0 |
| `action.source.measured.height` | Yes | When `action.kind` is `reply` and `action.source.kind` is `complete`: integer; maximum 100000; greater than 0 |
| `action.source.measured.frameRateMode` | No | When `action.kind` is `reply` and `action.source.kind` is `complete`: `CFR`, `VFR`; Constant or variable frame rate, when the tool reports it. |
| `action.source.measured.minFrameRate` | No | When `action.kind` is `reply` and `action.source.kind` is `complete`: number; maximum 1000; greater than 0 |
| `action.source.measured.maxFrameRate` | No | When `action.kind` is `reply` and `action.source.kind` is `complete`: number; maximum 1000; greater than 0 |
| `action.source.uploadId` | Yes | When `action.kind` is `reply` and `action.source.kind` is `cancel`: string; pattern `^upl_[A-Za-z0-9_-]{22}$` |
| `action.commentId` | Yes | When `action.kind` is `delete`: integer; greater than 0 |
| `action.confirmation` | Yes | When `action.kind` is `delete`: `DELETE_COMMENT` |
| `action.commentId` | Yes | When `action.kind` is `pin`: integer; greater than 0 |
| `action.pinned` | Yes | When `action.kind` is `pin`: boolean |
| `instanceCode` | No | string; pattern `^A00009$`; Optional: which installed Q&A app to use (its code, such as A00009 or A90109). Omit it when only one is installed; when several are, pick one from the installed list. |
| `confirmToken` | No | string; pattern `^ct[a-f\d]{32}$`; The confirmToken from this tool's preview result. Omit it to preview; repeat the same input with it to execute. |