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fix(dash): hide throughput chip when lemonade does not emit MB/s (#326)#328

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fix/dash-lemonade-chip-polish
May 25, 2026
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fix(dash): hide throughput chip when lemonade does not emit MB/s (#326)#328
thinmintdev merged 1 commit into
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fix/dash-lemonade-chip-polish

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Summary

The footer throughput chip used to render ${L.throughput} MB/s with a fallback when Lemonade's /v1/health did not surface throughput_mbps. This always-on chip looked broken on installs where the metric isn't emitted — and would have shown a misleading "0.0 MB/s" if any layer of the fallback chain ever defaulted to 0. The chip now hides entirely when throughput is null or 0, matching the same null-honoring discipline the queued + coresident chips got in #221. A value of 0 from a live system actually serving traffic is just as meaningless as null, so both states collapse to "hide".

buildStats() in the mock harness gets a banner comment explicitly banning future "completeness" defaults of throughput_mbps: 0.0 — throughput is sourced exclusively from /v1/health (via useLemondRollup), so synthesizing it on the /v1/stats fallback path would re-introduce the misleading chip the gate is designed to hide.

useLemondRollup was audited and already coerces correctly (h?.throughput_mbps ?? null) — no change needed there.

Files changed

  • ui/src/dash/chrome.jsx — gate the throughput chip on L.throughput != null && L.throughput > 0
  • ui/src/api/mock.ts — document buildStats() to ban synthetic throughput_mbps: 0.0 defaults
  • ui/tests/e2e/specs/footer-throughput-chip-v3.spec.ts — new Playwright spec, 3 cases

Test plan

Closes #326
Refs #322

Gate the footer throughput chip on `L.throughput != null && L.throughput > 0`
so it hides entirely instead of rendering "—" (or, worse, a synthetic
"0.0 MB/s") when Lemonade's /v1/health does not surface
`throughput_mbps`. Match the same null-honoring discipline as the
queued + coresident chips landed in #221.

Also document `buildStats()` in the mock harness to ban future
"completeness" defaults of `throughput_mbps: 0.0` — throughput is
sourced exclusively from /v1/health (see useLemondRollup), so
synthesizing it on the /v1/stats fallback path would re-introduce
the misleading chip the gate is designed to hide.

Adds Playwright spec footer-throughput-chip-v3 covering all three
states (positive renders "12.4 MB/s", undefined hides, zero hides).

Closes #326
Refs #322

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@thinmintdev thinmintdev merged commit c6a35e7 into main May 25, 2026
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@thinmintdev thinmintdev deleted the fix/dash-lemonade-chip-polish branch May 25, 2026 22:08
thinmintdev added a commit that referenced this pull request May 28, 2026
…lease-manifest (#389)

Add docs/internal/v0.3-state.md as the canonical v0.3 ground-truth doc
(repo HEAD, five-stream status with PR/issue citations, terminology
canon, stale-memory list, open blockers, ADR index). Writers cite this
to stop triangulating PLAN.md + auto-memory + GH issues per word.

Add ADR-0015 (Draft, alpha.2 target) — hal0 is an MCP host platform.
Generalises ADR-0013's per-agent allow-list pattern to third-party MCP
*servers*: registry at /etc/hal0/mcp/servers/<name>.toml, systemd
template hal0-mcp@<name>.service, slot-style lifecycle states, curated
catalog at installer/manifests/mcp-catalog.toml. Closes the gap the
hal0_mcp_host_platform auto-memory calls out and the design behind
issue #224's placeholder install-from-URL UI.

Add ADR-0017 (Accepted) — bell+inbox approval UX for destructive MCP
calls. Documents the contract shipped via Epic #322 (PRs #321 #328
#329 #330 #332): every MCP tool is classified READ-ONLY or
DESTRUCTIVE via MCP annotations, unclassified defaults to DESTRUCTIVE,
no per-agent trust override, pending forever. Third-party MCPs per
ADR-0015 inherit the contract.

Refresh release-manifest.md against v0.2/v0.3 reality. The runtime is
no longer v0.1.x toolbox containers — it's the Lemonade embeddable
tarball + the FastFlowLM .deb. Add optional `lemonade` and `flm`
manifest blocks mirroring the installer's LEMONADE_* / FLM_* pins.
Mark `toolbox_images` as historical (retained for out-of-tree
consumers). Switch CF Pages references to Vercel per the actual
deploy path.

Light fix in api-errors.md: the 401 / auth.required example was
documented as enforced by ADR-0001's FastAPI auth layer, which
ADR-0012 removed entirely in v0.3.0-alpha.1. Reframe as a shape
contract for any future re-introduced auth and for the MCP identity
middleware, not a live request path.

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
thinmintdev added a commit that referenced this pull request May 28, 2026
…rough + gut installer auth section (#390)

- docs/operate/lemonade.md (new, .md canonical): operator reference for
  the v0.2 Lemonade runtime — what it is, where state lives, the /v1/*
  proxy + dispatcher fallthrough (PRs #248/#277), slot ↔ Lemonade
  model mapping (PRs #281/#282), max_loaded_models = 8 LRU cap (PR
  #283), per-type LRU eviction per ADR-0008 (supersedes nuclear-evict
  ADR-0007), OFFLINE-on-eviction (PR #276), and the three known v0.3
  caveats (Vulkan KV gauge missing, whisper RUNPATH workaround, GPU
  cleanup unload hang).

- docs/dashboard/v3.md (new, .md canonical, new docs/dashboard/ dir):
  page-by-page tour of the v3 React dashboard shipped in
  v0.3.0-alpha.1 (PR #235). Covers the shell + Mock-badge convention,
  /dashboard (system overview after #356), /chat (real surface per
  #309/#314/#315/#351), /slots (sidebar mirror per #357 + #344 UX
  sweep), /models (#313/#319/#353), /mcp (#304/#300), /agents (Peers
  per #299), /memory (graph #297, throughput #308), Settings (no Auth
  tab post-ADR-0012), and the footer journal (Epic #322 — PRs
  #321/#328/#329/#330/#332). Mock-fallback issues linked via the
  dashboard-v3 label, not enumerated.

- installer/README.md: gut ~95 lines of stale auth prose (Caddy,
  Bearer-token mint/use/revoke, first-run OTP claim wizard,
  HAL0_AUTH_ENABLED/HAL0_AUTH_DISABLED, password recovery, basic_auth
  upgrade path, the TLS recipe). Replace with one paragraph pointing
  at docs/operate/auth.mdx for the reverse-proxy recipe and
  docs/agents/identity.md for the X-hal0-Agent identity model. Auth
  was removed in v0.3.0-alpha.1 per ADR-0012; the README hadn't
  caught up.

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Phase 4 / #322: dash — drop dummy throughput, hide chip when null

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