feat(sandbox): opt-in Costwise model routing hooks + ADR 0090 (POC) - #6361
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guyoron1 wants to merge 4 commits into
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feat(sandbox): opt-in Costwise model routing hooks + ADR 0090 (POC)#6361guyoron1 wants to merge 4 commits into
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Pip-install costwise from guyoron1/costwise and copy its Claude Code hook scripts to /opt/costwise/hooks. Not wired into settings.json by default; see internal/security for the FULLSEND_COSTWISE=1 opt-in (ADR 0090). Signed-off-by: guy oron <goron@redhat.com>
When FULLSEND_COSTWISE=1, GenerateClaudeSettings adds a UserPromptSubmit hook and an Agent|Task PreToolUse hook pointing at /opt/costwise/hooks. Default output is unchanged. Signed-off-by: guy oron <goron@redhat.com>
Phase 1: costwise hooks in the sandbox image (opt-in). Phase 2: native internal/routing port. Records the 2026-07-12 RTK+Ponytail benchmark. Signed-off-by: guy oron <goron@redhat.com>
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… 3 models) 39/39 trials complete with metrics.json; haiku $0.20-0.75/issue vs opus $0.33-4.30. No-op detection proved model-insensitive (#340, #365). Grid measures cost/completion only - quality judgment over the 13x3 outputs is the stated gate before routing defaults change. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Draft / POC for the 2026-08-19 contributors meeting — not ready for review.
Phase 1 of cost-aware model routing (see ADR 0090 in this PR):
images/sandbox/Containerfile: install Costwise + its hook scripts under/opt/costwise/hooksinternal/security/hooks.go: whenFULLSEND_COSTWISE=1,GenerateClaudeSettingsaddsUserPromptSubmit/PreToolUse(Agent|Task)routing hooks. Default output is byte-identical (tested).docs/ADRs/0090-cost-aware-model-routing.md: context (July-12 30-issue benchmark on the full pipeline: RTK+Ponytail 15.7% total, triage 52.6%, code 24.2%, Wilcoxon p=0.00006), Phase 1 hooks vs Phase 2 nativeinternal/routingGo port.Known gaps (why draft): Costwise pinned to mutable
main(no release tag yet); sandboxCLAUDE_CONFIG_DIRvs where Costwise writes the model switch is unverified; ADR status set to Accepted only to satisfy the frontmatter linter — should be Proposed. Companion:fullsend-ai/agentsPR flipping triage→haiku / review→sonnet defaults.Verified:
go build ./...,go test ./internal/security/ ./internal/scaffold/, ADR linters.