Commit Graph
5 Commits
Author SHA1 Message Date
Bernd Rodler 98dcd3b1e9 feat(ai): OpenCode provider class; fix retrieval reading the wrong account's index
Three things, all from running the real thing rather than trusting a status code.

1. OpenCode as a 4th AI class (lib/ai/opencode.ts + app/api/ai/opencode/*).
   A locally-running `opencode serve` — the same runtime Paperclip drives as
   an adapter. Its appeal over a BYOK profile is precisely what was broken
   before: opencode owns provider auth itself, so there is NO api key for
   this app to hold, and it reports a REAL model list (25 on this machine)
   instead of asking the user to type an exact provider-specific model id
   from memory. Typing "Sonnet 5" into a free-text box and getting a bare
   "Provider returned 401" is the failure this removes.

   IMPORTANT trap, documented in the module header and pinned by a test:
   opencode is NOT OpenAI-compatible. `/v1/models` and `/v1/chat/completions`
   both answer 200 — because a web-UI catch-all serves index.html for ANY
   unknown path. I built the first version against that assumed compatibility
   on the strength of two 200s and had to throw it away once I read a body.
   Every probe now validates the parsed shape and content-type, never the
   status alone. The real API is GET /api/model + POST /session +
   POST /session/{id}/message, and the reply's `reasoning` parts are stripped
   so a model's private chain of thought can never surface as the answer.

   Proxied through our own backend (like the `server` class) because the
   desktop renderer's origin is a random port that changes every launch;
   same-origin sidesteps opencode's CORS allowlist entirely. Loopback-only by
   construction: a non-loopback OPENCODE_BASE_URL is refused, since "local,
   no keys, nothing leaves the device" is the whole point of this class.

2. Retrieval read the WRONG ACCOUNT'S index. The indexer writes under the
   active account's cookie slot (catchUpIndex passes it) but fetchLocalLeg
   omitted `?slot=`, so search resolved to whichever account the multi-slot
   resolver found first. Single-account installs never noticed; a real
   multi-account/shared-mailbox setup reads an empty store every time. Both
   call sites now pass the active slot.

3. "No local mail index available in this session" was shown even when the
   index existed and simply matched nothing — actively misleading, and it
   masked the missing-SESSION_SECRET bug for hours. AskResult now carries
   retrievalState ('augmented' | 'no-match' | 'no-index') and the two cases
   get different words: build the index, versus rephrase (with the honest
   caveat that keyword search answers content questions better than recency
   ones like "the last mail").

Verified live against real opencode 1.18.14: discovery found 25 models and a
real prompt round-tripped the exact expected answer through the real helper
code, not curl. Gate: tsc clean, eslint clean, 2512/2512 unit tests (10 new,
incl. one that fails if the HTML catch-all is ever accepted as an API), build clean.
2026-08-06 20:18:23 +02:00
Bernd Rodler 30e5059b94 feat(admin): build the AI Policy console (§6) — approved, spec now implemented
New admin tab "AI" (app/(main)/admin/_tabs/ai-policy.tsx): provider-class
toggles, server model allow-list, BYOK provider allow-list, seats/usage
(front-end for the already-real lib/ai/entitlement.ts), retrieval on/off,
consent text + version bump.

Real backend, not cosmetic: AiConsoleConfig persisted via config-manager
(lib/ai/types.ts, ai-policy.json in the CONFIG dir). New GET/PUT
/api/admin/ai/policy. Enforcement wired at every real chokepoint, not just
the picker: /api/ai/server/chat checks classesEnabled.server and the model
allow-list, /api/ai/retrieve checks retrievalEnabled, /api/ai/server/models
filters by allow-list. GET /api/ai/policy folds classesEnabled into the
classes list clients see.

Resolved the spec's 3 open questions as recommended: BYOK allow-list stays
client-side/advisory (wired into ai-assistant-settings.tsx's addProfile),
tier picker stays cosmetic, master aiAssistantEnabled toggle stays in the
existing Policy tab (this tab links to it instead of duplicating it).

Defaults preserve today's behavior exactly (classesEnabled/allowlists all
start empty/null) — turning this on changes nothing until an admin touches it.
2026-08-06 08:48:30 +02:00
Bernd Rodler 91b282d746 feat(ai): real retrieval — SourceRef, RRF fusion, real embedding leg (P3/P4)
Full retrieval pipeline per docs/AI-ASSISTANT-CONCEPT.md §7/§8.1, real end
to end, not mocked:

- lib/ai/retrieval/types.ts: SourceRef + RetrieverAdapter schema. Nothing
  past this file needs to know what a mailbox is - fusion, hydration and
  citation rendering all operate on SourceRef, so adding another product
  later (VNCtalk, the doc's P7) is one more adapter, not a rewrite.
- lib/ai/retrieval/fusion.ts: Reciprocal Rank Fusion, score = Σ1/(k+rank),
  k=60. Deliberately excludes collectionId from the fusion identity - a
  JMAP email can live in more than one mailbox, and the two legs can
  legitimately disagree on which is "primary" for the same message;
  itemId is the real identity. 5 unit tests, including that exact
  double-count case.
- lib/ai/retrieval/mail-embeddings.ts: the server embedding leg. Real
  JMAP Email/query+Email/get (server-side, via the session's own
  auth - see the getStalwartCredentials fix below), real embeddings via
  Ollama's /api/embed (nomic-embed-text), real cosine similarity ranking.
  In-memory cache per account with a 5-minute TTL, not a persistent
  vector store - that's real follow-up work (the doc's own P4), not a
  same-night stretch goal on top of everything else built tonight.
- app/api/ai/retrieve/route.ts: wires it together. ACL note: only ever
  searches the authenticated session's own account - there's no
  shared-mailbox fan-out to pre-filter yet since group accounts are still
  deferred entirely, so nothing here can leak across accounts because
  nothing crosses the account boundary in the first place.
- lib/ai/local-client.ts: retrieveContext() now runs both legs
  (app/api/offline/search's local FTS + the new server embedding leg) in
  parallel and RRF-fuses them, same as before if only one leg is present.

Also, while verifying live: found and fixed embedding-only models
(nomic-embed-text) leaking into the *chat* model picker for both `local`
and `server` classes - Ollama lists them in the same /api/tags response,
but calling /api/chat with one fails outright. Filtered by `capabilities`
(fails open if absent, for older Ollama).

Verified live, for real: pulled nomic-embed-text, logged in via the real
(non-demo) auth flow, asked "When is check-in for the Villa sul Lago
booking?" against the seeded mock inbox - got back "Check-in ... is
scheduled for Saturday 28 March from 15:00 [1]" with 6 real ranked
citations, [1] correctly pointing at the actual booking confirmation
email. Real semantic retrieval finding the right email and citing it
correctly, not a canned response.

Also fixed two pre-existing, unrelated test failures found while running
the full suite for the first time in a while (confirmed via diff against
origin/main - neither touched by anything built tonight; neither pipeline's
CI runs the full vitest suite, only test:translations, which is how these
went uncaught): lib/__tests__/builtin-themes.test.ts hardcoded "exactly 6"
themes and asserted every theme's author is 'Built-in', both stale since
VNClagoon/SRC (author: 'VNC') were added this week bringing the real count
to 8. Left the also-pre-existing, timing-sensitive
jmap-client-resilience.test.ts flake unfixed - out of scope, needs its own
investigation, not a quick correct fix.

Full suite: typecheck clean, lint clean, translations 48/48, production
build succeeds, 2486/2486 vitest (previously 2481/2481 + 2 pre-existing
failures + the new fusion/entitlement tests).
2026-08-06 00:21:13 +02:00
Bernd Rodler dda7adf565 feat(ai): multi-key BYOK, real server class, real entitlement enforcement
Three pieces built together tonight since they're naturally linked (the
server-class proxy is the real entitlement enforcement chokepoint):

1. Multi-key BYOK (public class): several named provider profiles
   (name/baseUrl/model), each with its own key in lib/ai/key-store.ts
   (keyed by profile id, not a single fixed 'public' slot). The "Try it"
   pane lets you pick which saved profile answers each question - not one
   fixed default.

2. `server` class, real: app/api/ai/server/{models,chat} proxy through
   this app's own backend to AI_SERVER_BASE_URL - same-origin from the
   browser, no CORS/OLLAMA_ORIGINS story at all, standing in tonight for
   VNC's EU/CH-hosted infra with the real Ollama on this Mac (swapping to
   the real instance tomorrow is a config change).

3. Real entitlement enforcement (lib/ai/entitlement.ts), scoped to `server`
   only (not local/public, per the 2026-08-05 decisions): checkAndAssignSeat()
   re-validates on every /api/ai/server/chat call - first use auto-assigns a
   seat if any remain, further calls from an unlicensed user get a 402 with
   a specific reason. recordUsage() appends to an append-only metering
   ledger (timestamp/user/model/tokens/latency) that IS the billing record.
   Admin data endpoints at /api/admin/ai/entitlement (seat total, revoke) -
   the visual admin console is a separate, not-yet-built task.

Two real bugs found and fixed during verification, not just claimed fixed:
- /api/ai/policy never actually added 'server' to entitlement.classes even
  when AI_SERVER_BASE_URL was set (only the type comment was updated) - the
  Server radio option silently never appeared until this was caught live.
- The new routes used readStalwartAuthContext(0) (hardcoded slot, SSO/reauth-
  specific) instead of getStalwartCredentials() (the general multi-slot
  session resolver every other authenticated route uses) - reachable but
  wrong, and would have hidden a real auth gap behind "works on my slot".

Verified end-to-end for real: built + ran the actual server, logged in via
the real (non-demo) auth flow, selected Server, listed the real Ollama
models through the proxy, asked "Reply with exactly the words: SERVER CLASS
WORKS" and got back exactly that - plus confirmed on disk (not just in the
UI) that data/admin-state/ai-entitlement.json recorded the seat assignment
and ai-metering.jsonl recorded real prompt/completion token counts and
latency from the actual model call. Rejection-path logic (seat limit
reached, zero seats configured, revocation) covered by 5 new unit tests
rather than a second live round trip. Full suite: typecheck clean, lint
clean, translations 48/48, production build succeeds.
2026-08-06 00:07:56 +02:00
Bernd Rodler 2a35019b21 feat(ai): P0 client scaffolding — capability flags, settings pane, policy fetch
Per docs/AI-ASSISTANT-CONCEPT.md §12, P0 is deliberately generation-free:
prove platform gating and the policy round trip before any model exists
behind it. No provider is called anywhere in this change.

- lib/platform-capabilities.ts: supportsLocalLlm/localLlmNeedsCorsSetup,
  mirroring the same-named module in vncmail-native so the capability
  contract (§3, §11) reads identically on both clients. Web+Electron only
  here — mobile is a separate codebase.
- lib/ai/types.ts: AiPolicy/AiEntitlement schema, locked in now per decision
  #4 (entitlement from day one — cheap now, a live-tenant migration later).
- app/api/ai/policy/route.ts: GET, unauthenticated (users read this, like
  /api/admin/policy). Composes the real FeatureGates.aiAssistantEnabled
  toggle with a hardcoded unlicensed entitlement — there's no seats/billing
  backend yet (P2), so nothing here can honestly claim otherwise.
- components/settings/ai-assistant-settings.tsx: fetches that policy, shows
  a real (not fake) locked/unlicensed state. No model config UI yet — there
  is nothing real to configure until P1/P2/P5 land.
- New admin FeatureGates.aiAssistantEnabled (default false, like
  pluginsEnabled): the tab is entirely hidden until an admin opts in, so no
  existing install suddenly sees a tab that does nothing.

Verified: typecheck clean, lint clean, translations test passes (48/48),
full production build succeeds with /api/ai/policy compiled in.
2026-08-05 22:02:40 +02:00