# Log

Chronological activity log. Append-only. Entry headers use the format `## [YYYY-MM-DD] <op> | <title>` so they can be grepped:

```
grep "^## \[" log.md | tail -10
```

---

## [2026-04-30] note | Wiki bootstrapped

Created CLAUDE.md (schema + workflows), index.md (empty catalog), and this log. Wiki directory structure (wiki/sources, wiki/entities, wiki/concepts, wiki/synthesis) will be created on first ingest.

## [2026-04-30] ingest | gps-tracking-architecture.md + teltonika-ingestion-architecture.md

Ingested both initial architecture docs in one pass. Created:
- Source pages: [[gps-tracking-architecture]], [[teltonika-ingestion-architecture]].
- Entity pages: [[tcp-ingestion]], [[processor]], [[directus]], [[react-spa]], [[redis-streams]], [[postgres-timescaledb]], [[teltonika]].
- Concept pages: [[plane-separation]], [[protocol-adapter]], [[codec-dispatch]], [[position-record]], [[failure-domains]], [[phase-2-commands]].
- Updated index.md with all 15 new pages.

No contradictions to flag — the two docs are coherent (the Teltonika doc explicitly cites and respects the system architecture). Open follow-ups: TRM business domain not yet captured; per-model IO dictionary location TBD; Phase 2 timing unspecified.

## [2026-04-30] ingest | Teltonika Data Sending Protocols (official wiki)

Ingested the canonical Teltonika spec covering all codec families. New additions:
- Source page: [[teltonika-data-sending-protocols]].
- New concept: [[avl-data-format]] — byte-level reference for codecs 8/8E/16, including UDP envelope.

Updates to existing pages (no contradictions; refinements + additions):
- [[teltonika]] — added full codec table with hex IDs, Codec 15 (out of scope), Codec 14 ACK/nACK, packet size limits, UDP support note.
- [[codec-dispatch]] — corrected hex IDs, added directionality table covering codecs 8–15.
- [[position-record]] — concrete priority enum (0/1/2), two's-complement lat/lon note, Speed=0 means GPS invalid, Generation Type and NX section flagged.
- [[phase-2-commands]] — clarified Codec 12 vs 14 selection, added `nack` status for Codec 14 IMEI-mismatch (Type `0x11`); noted 13/15 are not part of the outbound design.

Cleanup: removed stale duplicate concept files from earlier passes (system-planes.md, protocol-adapter-pattern.md, codec-dispatch-registry.md) — superseded by plane-separation.md, protocol-adapter.md, codec-dispatch.md respectively. Fixed dangling [[protocol-adapter-pattern]] link in [[io-element-bag]].

Open questions surfaced by the canonical doc: Codec 16 Generation Type — promote to typed [[position-record]] field? Codec 8E NX values land as `Buffer` in `attributes`; needs explicit fixture coverage. SMS-based protocols (Codec 4 + binary SMS) probably out of scope but worth a deliberate decision.