From ab4b364954af08fa602388495ca425eaef0abf74 Mon Sep 17 00:00:00 2001 From: Claude Date: Tue, 26 May 2026 20:34:09 +0000 Subject: feat(api,web): budget headroom endpoint + UI chips (Phase 6) Adds GET /api/budget returning per-provider rolling-window headroom (empty when budget gating is unconfigured), wired from serve.go via SetBudget. The web UI polls it and renders a chip per limited provider in the header, flagging any under 20% remaining. New pure JS helpers formatBudgetHeadroom/ renderBudgetHeadroom are unit-tested; the endpoint is covered by Go handler tests (empty/reports/500). UI render not browser-verified in this environment. Completes Phase 6: spend accounting + dispatcher gating + observability surface. https://claude.ai/code/session_01SESwn7kQ7oP62trWw6pc39 --- internal/api/budget.go | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 internal/api/budget.go (limited to 'internal/api/budget.go') diff --git a/internal/api/budget.go b/internal/api/budget.go new file mode 100644 index 0000000..eee5d09 --- /dev/null +++ b/internal/api/budget.go @@ -0,0 +1,36 @@ +package api + +import ( + "net/http" + + "github.com/thepeterstone/claudomator/internal/budget" +) + +// budgetReporter exposes per-provider spend headroom. Satisfied by +// *budget.Accountant; an interface keeps the handler testable. +type budgetReporter interface { + All() ([]budget.Headroom, error) +} + +// SetBudget wires the budget accountant so GET /api/budget can report headroom. +func (s *Server) SetBudget(b budgetReporter) { + s.budget = b +} + +// handleGetBudget returns per-provider rolling-window spend headroom. When no +// budget is configured it returns an empty list so the UI simply shows nothing. +func (s *Server) handleGetBudget(w http.ResponseWriter, _ *http.Request) { + if s.budget == nil { + writeJSON(w, http.StatusOK, []budget.Headroom{}) + return + } + hs, err := s.budget.All() + if err != nil { + writeJSON(w, http.StatusInternalServerError, map[string]string{"error": err.Error()}) + return + } + if hs == nil { + hs = []budget.Headroom{} + } + writeJSON(w, http.StatusOK, hs) +} -- cgit v1.2.3