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A quota plugin cannot work on billing's model. Billing reports what the gateway
already measured, delivered on hooks during request forwarding. A plan balance
has no such arrival path: it exists only on the vendor's side, and the only way
to learn it is to ask — at the moment the operator clicks Refresh. No hook fires
on a click, and pluginAPI offered only state read/write.
So this adds the missing piece: POST /api/plugins/{name}/call/{fn}, plus
pluginAPI.call on the page side.
## Why the gate is an explicit export list
That endpoint is an HTTP surface into a Lua state. Without a declared allowlist
it would let any caller invoke the plugin's private helpers with crafted
arguments and read whatever it can see — for a plugin holding an API key, that
is handing the key to anyone who can POST. So a function is callable only if the
plugin listed it in plugin.exports. A plugin with no exports has no callable
surface; reading the missing list as "allow all" is exactly the failure mode
worth designing against. The endpoint is also admin-only.
## ccquota
One account per configured source on api.commandcode.ai, keyed by that source's
own key — two keys on one host are two seats, and both are shown. Reads
/alpha/whoami, /alpha/billing/credits, /alpha/billing/subscriptions and
/alpha/usage/summary. Each endpoint degrades independently: a vendor retiring
one route must not blank the others, and a key out of quota still reads credits
fine while inference 401s, so the report records WHICH part failed rather than
rendering a zero that reads as "no quota left".
The 401-is-everything trap: those endpoints need a bearer token plus three
headers. The token lives in the table now, per request. Passing the shared
header table straight through — my first version — yields 401 on every
endpoint, which is indistinguishable from a revoked key and sent me auditing the
account instead of the plugin.
## Also fixed: three real defects found by going live
- The bridge was registered as `httpGlobal` (the Go const's IDENTIFIER) instead
of `__llmsproxy_http` (its VALUE). Green unit tests, "attempt to call global
'__llmsproxy_http' (a nil value)" on first real request. Now a test boots a
real plugin and calls it the way a plugin does.
- The call router kept `call/` in the function name, so every call 502'd with
`does not export "call/collect_account"` while the exports list looked fine.
- readPluginExports used luaToJSON, which needs the `json` global — not yet
installed while a plugin is registering — so it silently returned an empty
list and every export looked undeclared. It uses luaTableToGoValue now.
Two tests hardcoded counts ("1 bundled plugin", "4 pages") and turned red the
moment a second bundled plugin existed. They now assert what they mean: billing
is among the bundled plugins, and the pages this test contributed all merged in
order. A count assertion is a changelog detector.
## Verified on production
commandcode 2198972886@qq.com active $0.0811 5h 0/14 wk 0.803/35 44,921 req
commmandcode2 jianf3112@gmail.com active $0.0700 5h 0/14 wk 0/35 43,827 req
Co-Authored-By: ModelRouter <noreply@modelrouter.dev>