8a8c1965d7
The chat stats line took its token totals from the loaded conversation nodes, so paging changed them and compaction erased the billing behind replaced content. It also had no way to show context occupancy: the numerator and capacity never reached the browser. Both now come from token-meter session projections read through the standard useProjection seat. Window nodes keep supplying turn and step counts plus LLM and tool wall times, which are correctly window-scoped facts about what is on screen; accounting no longer comes from there. `tokenUsage` supplies billing and cache hit. `contextPressure` supplies occupancy, pairing the newest provider-reported prompt size with the newest capacity recorded by `request/context`. Deployments without token-meter drop the token groups; a route whose adapter advertises no capacity drops the occupancy group rather than rendering a placeholder. Occupancy is deliberately approximate: the numerator and capacity are independent last-wins fields, not one atomic request observation, so switching models pairs a fresh capacity with the prior route's pressure until the next request reports usage. It is a user-facing reference figure that nothing in the harness makes decisions from, and it matches how the TUI status line has always computed occupancy. The Agent Note and token-meter README state this as a decision, including why the atomic alternative was implemented and rejected, so it is not re-litigated as a defect. Snapshot delta is one added `Context N% of 128K` segment across eight web goldens; the preceding commit absorbed master's pre-existing golden drift.
llm/ — LLM capability family
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The LLM seam and its provider adapters. The interface package (llm) owns the abstract service, the content-block vocabulary, and the stream-chunk assembler; the adapters are concrete implementations that register on ctx.llm. All product packages.
| Package | Role | ctx key |
|---|---|---|
llm/ |
Abstract LLM service + content-block vocabulary + chunk assembler | ctx.llm |
token-meter/ |
Replay-aware request and surface token measurement | ctx.tokenMeter |
llm-retry/ |
Exact-provider normal or unbounded request retry policy | (listens to agent/request-error) |
llm-deepseek/ |
DeepSeek API adapter (direct fetch + eventsource-parser SSE) | (registers on ctx.llm) |
llm-pi-ai/ |
Multi-provider adapter via @earendil-works/pi-ai |
(registers on ctx.llm) |
The interface lives at llm/llm/; adapters, retry policy, and the reusable token meter are flat siblings under the group. Requests route by provider, while model is passed through to the selected adapter. The route-owning adapter supplies retry policy and resolves available exact-model identity, context capacity, and reasoning metadata; the retry executor and token meter remain provider-agnostic. A new provider adapter registers one or more provider routes on ctx.llm without touching the consumers. See twin LLM adapters for the two shipping implementations, the replay token meter Agent Note for measurement ownership, and the routed model context Agent Note for capacity and compaction-policy ownership.