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docs: confirm file receive metadata evidence

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zhaoyilun
2026-07-10 00:40:02 +08:00
parent 444c0d8ff1
commit 3d68a18097
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docs/source-discovery/2026-07-09-n12-pre-zyl-schema-notes.md
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@@ -93,6 +93,21 @@ Candidate mapping to `isphere_receive_messages`:
`LoginInfo` can map the local logged-in account identity, but it contains sensitive user metadata. Use only field names and identifiers needed for normalization; do not include raw personal values in committed docs or test fixtures.
## C12 file-transfer evidence precheck
A temporary ignored scanner decrypted only the selected N12-pre log files and wrote count-only metadata to `runs/offline-evidence-intake/zyl-qqfile-20260709/metadata/c12-file-evidence-counts.json`. No raw decrypted message content is committed.
Count summary:
| Source | Decrypted | File-transfer / file evidence | Cache/download evidence |
| --- | ---: | --- | --- |
| `PacketReader.ProcessPacket` | 245/245 | 57 `<subject>` hits, 123 `FILE_TRANSFER` hits, 57 `FILE_TRANSFER_CANCEL` hits, 91 body file-extension hits, 107 parsed file-candidate messages | 0 `zyl\importal\<hash>` hits, 0 download-keyword hits |
| `Smark.SendReceive` | 1,078/1,078 | 5 `FILE_TRANSFER` hits, 4 body file-extension hits, 5 parsed file-candidate messages | 0 `zyl\importal\<hash>` hits, 0 download-keyword hits |
| `SaveToDB` | 14/14 | 9 generic file-extension hits and 2 attachment-keyword hits; no parseable XMPP message candidates | 0 `zyl\importal\<hash>` hits, 0 download-keyword hits |
| `archive-list.txt` | n/a | 11 cached file entries under 11 `zyl\importal\<hash>` directories; extensions observed: `.doc`, `.docx`, `.jpg`, `.pdf`, `.xlsx` | cache entries exist, but no confirmed link from message log to cache hash yet |
Decision: file metadata listing can proceed from log-backed normalized messages. Real `download_ref`, `saved_path`, and cache hash resolution remain deferred until the message-to-cache mapping or a client-side download connector is validated.
## Updated source decision
The previous matrix selected `MsgLib.db` as the first source subject to schema inspection. Stage B2 changes that decision: