feat(ada): weekly update deck before the Tech WG, sent on Discord (decision 79) - #56

The owner wants a weekly slide deck on the network, in hand before the Tech WG call. Every Tuesday at 16:00 London time, Ada writes one of at most 10 slides on the week since the last call: key decisions, changes to the network, feedback, the effect on the KPIs and observations. The gateway sends it to the owner's Discord DMs as a Markdown file in Marp's format, ready to present or turn into slides.

Changes

• Schedule: ada-weekly-update runs Tuesdays at 16:00 as a gateway schedule, task weekly_update (standard tier, medium effort), capped at $2 a run.
• Instructions and example: reports/weekly-update.md (how to gather and write it) and reports/weekly-update-example.md (the 11 November WG deck cut down to the 10-slide shape). deploy.ts writes both to the shared memory store, like the rubric, so Ada's other sessions don't pay for them. Ada's spec gets a short "Weekly update (Tuesdays)" section that points to them.
• send_to_matt takes an optional document: a lower-case .md file name and at most 20,000 characters. The gateway DMs it to the owner on Discord as an attachment with no mentions (DiscordBot.dmFile, multipart), and records discord.document_sent in the audit. It's allowed in a conversation, since a reply can't carry a file. Without OWNER_DISCORD_ID it refuses before sending anything.
• Deploy workflow: a change under reports/ now triggers deploy:agents.
• Docs: decision 79, and reports/ in CLAUDE.md's layout table and deploy notes.

Safety

Ada gets no new tool. send_to_matt can attach a file, but only to the owner's own Discord DMs, with mentions off. File names are checked (lower-case letters, digits and hyphens, ending .md), so no path or other file type gets through. No action kind, credential or permission changes.

Deploy

npm run deploy:agents (spec, schedule, model task and the new shared-memory files), then npm run gateway:deploy (tool and Discord client). The deploy workflow does both once the run is approved.

Decision

79

Checks

• npm test passes (439 tests)
• Tests cover the gateway change: decisions.test.ts (file sent, refusals, no Discord id, sending during a conversation) and channels.test.ts (the multipart request, and the fetch-binding regression for the new path)
• network.json regenerated
• No secrets or Discord/Telegram ids added

Not verified against the live API: Discord's multipart upload (payload_json plus files[0]) in dmFile. The first Tuesday run will be its first live test.

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