v0.46.23.0

A 23-contribution community wave, plus an end to silently lost pages.
If your agent ever "saved" a page and a re-read came back without the change,
or a page you were editing came back blanked, this release closes both halves
of that story: large piped reads no longer lose their tail on process exit,
and the store itself now refuses to overwrite a page's real content with an
empty body. Beyond that, the wave spans dream-pipeline correctness, budget
and pricing coverage, search and link quality, transcript and reindex
resilience, provider error surfacing, and a set of long-tail adoptions from
older PRs — including a new GitHub source kind that puts issues and PRs in
the brain.

Added

• putPage refuses to overwrite a non-empty page body with a blank one.
  A page edit is a read-modify-write; when the read comes back empty for any
  reason, the write used to blank the page silently. It now fails loudly with
  a clear error instead. Genuinely new empty pages still save, file-sourced
  syncs of a deliberately emptied file still clear, and a deliberate clear
  passes allow_empty / allowEmptyOverwrite: true. Contributed by
  @JamisonMercurio.
• GitHub is now a source kind: gbrain sources add --kind github mirrors
  issues and PRs into the brain, with webhook refresh, a demo fixture, and
  a guide at docs/guides/github-source.md. Contributed by @veltri-23.
• Superseded pages are down-ranked and flagged SUPERSEDED in rerank
  results, so a stale answer no longer outranks the page that replaced it.
  Contributed by @rspinabellaagent.
• search.autocut_min_keep is wired end to end — the documented autocut
  floor was declared but never read, so raising it did nothing. It now flows
  through the mode bundles, the resolver, and the cache key. Contributed by
  @paul-0320.
• sync.write_through opt-out flag for DB-only brains: set it to false
  and page writes stay in the database instead of dual-writing to disk.
  Contributed by @DanCanadian.
• A standalone exporter writes conversation pages back to envelope-v0,
  closing the round trip. Contributed by @SeanGearin.
• Dart code intelligence: the bundled grammar now matches the pinned
  tree-sitter runtime (ABI 15) and Dart files produce a call graph.
  Contributed by @Jey2311.
• llama-server declares chat prompt caching, so local deployments get the
  same cache accounting as hosted providers. Contributed by
  @erionjuniordeandrade-a11y.
• Canonical pricing rows for GLM-5.2 (Z.ai) — contributed by @SomeUserName1 —
  and static rates for router-prefixed OpenRouter ids, which previously fell
  through to a no-pricing refusal. Contributed by @kweiner.

Changed

• Concept synthesis gets budget priority and falls back to labels instead of
  dropping work when the budget runs short. Contributed by @calebhicks.
• LLM cycle phases (propose, grade, atom extraction, and concept synthesis)
  halt on global billing, auth, and rate-limit errors instead of swallowing
  them per page, so one bad credential fails loudly once rather than quietly
  on every page — and a global outage no longer counts against per-page
  failure budgets or overwrites concept pages with fallback stubs.
  Contributed by @Masashi-Ono0611.
• The claude-cli provider surfaces api_error_status as a typed error rather
  than a raw exit blob. Contributed by @Masashi-Ono0611.
• dream extract-atoms failure details name the provider and model that
  failed. Contributed by @proprieties.
• Reserve failures caused by missing pricing are recorded in the budget audit
  trail instead of vanishing. Contributed by @herove.

Fixed

• Piped CLI output larger than 64KiB no longer truncates with exit 0 when the
  reader drains slowly (#3423). This was the root cause of agents reporting
  that saves "didn't stick": a verify-read of a big page lost its tail, which
  is exactly where the fresh edit lives, and feeding that truncated read back
  through an edit could shrink or blank the page. Output delivery is now
  awaited to the last byte before exit — get_page, gbrain call, and
  --tools-json all return complete payloads at any reader pace.
• claude-cli auth and configuration failures (401/403/400) now classify as
  configuration errors instead of retryable transients, so callers stop
  re-billing a revoked credential.
• An invalid configured timezone degrades to "unknown" instead of breaking
  context assembly on every turn.
• Pattern excerpts split UTF-16 surrogate pairs, which could make Postgres
  reject the subagent job payload; excerpts now use the shared UTF-16-safe
  truncator. Contributed by @calebhicks.
• Reindex repairs are scoped and advance past failures instead of stalling on
  the first one; reindex --type reaches the flag registry. Contributed by
  @calebhicks.
• Oversized codex rollouts import instead of throwing, and --max-bytes
  reaches the transcript adapters; a truncated scan never advances the
  ingest watermark over unscanned content. Contributed by @mweber82.
• Malformed extractor output is retried once with an explicit JSON-only
  reminder before the turn's facts are given up on. Contributed by @herove.
• Fence writes are committed durably. Contributed by @herove.
• Reflex telemetry writes register before the CLI drain, so they are no
  longer lost at shutdown. Contributed by @monkeygold.
• International home locations are supported in context resolution.
  Contributed by @arisgysel-design.
• Relative markdown links resolve against the linking page's directory
  instead of the brain root. Contributed by @alexey-metaengage.

To take advantage of v0.46.23.0:

• gbrain upgrade (or reinstall the binary).
• If your agent harness ever reported pages that "didn't save" or reads that
  came back incomplete on large pages, upgrading is the fix: reads deliver
  fully, and the store refuses a blank body over real content (a deliberate
  clear passes allow_empty on the put_page op).
• Search cache cold-miss: the knobs hash moves 18 → 19 to fold the
  autocut floor into the cache key. Existing query_cache rows become
  unreachable on first re-query and refill within cache.ttl_seconds. No
  action needed.
• To mirror a GitHub repo's issues and PRs into your brain, see
  docs/guides/github-source.md.
• DB-only brains can now skip disk dual-writes with
  gbrain config set sync.write_through false.