{"answer":"🔴 `maintainability` services/proxy/src/metrics.rs:88-97: `values()` returns `[..., sweep_bytes_reclaimed, sweep_blobs_removed]` while `COUNTERS` is `[..., (\"cairn_proxy_sweep_blobs_removed_total\", ...), (\"cairn_proxy_sweep_bytes_reclaimed_total\", ...)]`; `render` zips them in declaration order, so the published Prometheus metrics swap names and values - `cairn_proxy_sweep_blobs_removed_total` reports bytes and `cairn_proxy_sweep_bytes_reclaimed_total` reports blob counts. The comment on the `COUNTERS` array is explicitly about preventing this class of mismatch.\n\n🟠 `bug` services/proxy/src/sweep.rs:137-140: `gone.push(hex.to_owned())` and the subsequent `forget(&index, &gone)` run unconditionally, so a `?dry_run=true` request still deletes the index entries for every blob the sweep decides to evict - only the blob unlink on line 126 is gated by `!dry_run`. The contract documented in `docs/operations.md` and `docs/architecture.md` is that a dry run reports what would be reclaimed without removing anything; in practice the index is mutated, and the next request for any of those coordinates misses the cache and refetches.","auth":{"mode":"api_key"},"effort":"high","elapsed_secs":155.833,"error":null,"error_kind":null,"instructions":[],"model":"minimax/minimax-m3","ok":true,"sandbox":{"backend":"macOS Seatbelt","denied_read_roots":["/Users/bart.smykla@konghq.com/Projects/github.com/smykla-skalski/benchee/subjects"],"environment":["HOME","LANG","LC_ALL","PATH","TERM","TMPDIR"],"mode":"read-only","network":"denied","protected_write_roots":["/private/var/folders/d1/tvmyp5cs1gz38rltf390ddpw0000gn/T/benchee-agent-AJ3B7V/.git","/private/var/folders/d1/tvmyp5cs1gz38rltf390ddpw0000gn/T/benchee-agent-AJ3B7V/.afi","/private/var/folders/d1/tvmyp5cs1gz38rltf390ddpw0000gn/T/benchee-agent-AJ3B7V/.agents","/private/var/folders/d1/tvmyp5cs1gz38rltf390ddpw0000gn/T/benchee-agent-AJ3B7V/.codex","/private/var/folders/d1/tvmyp5cs1gz38rltf390ddpw0000gn/T/benchee-agent-AJ3B7V/AGENTS.md","/private/var/folders/d1/tvmyp5cs1gz38rltf390ddpw0000gn/T/benchee-agent-AJ3B7V/CLAUDE.md"],"readable_paths":["/"],"readable_roots":["/private/var/folders/d1/tvmyp5cs1gz38rltf390ddpw0000gn/T/benchee-agent-AJ3B7V","/bin","/sbin","/usr/bin","/usr/sbin","/usr/lib","/usr/libexec","/usr/share","/System/Library","/Library/Apple","/Library/Filesystems/NetFSPlugins","/Library/Preferences","/private/etc","/private/var/db/timezone","/private/var/db/DarwinDirectory/local/recordStore.data","/private/var/select/developer_dir","/private/var/select/sh","/opt/homebrew/bin","/opt/homebrew/Cellar","/opt/homebrew/etc/gitconfig","/opt/homebrew/lib","/opt/homebrew/opt","/usr/local/bin","/Applications/Xcode.app/Contents/Developer","/Applications/Xcode.app/Contents","/Users/bart.smykla@konghq.com/.local/bin/afi"],"writable_roots":["/private/var/folders/d1/tvmyp5cs1gz38rltf390ddpw0000gn/T/afi-sandbox-WJE9Xe"]},"schema_version":1,"source":"openrouter","sources":[{"auth":{"mode":"api_key"},"source":"openrouter","usage":{"cache_read_tokens":104048,"cache_write_tokens":0,"cost_usd":0.040186,"estimated_tokens":0,"input_tokens":63581,"output_tokens":583,"reasoning_tokens":11808,"requests":9,"total_tokens":180020}}],"system_prompt":{"file":null,"mode":"builtin"},"tools":["read_file","write_file","edit_file","list_dir","search_files","glob_files","run_bash","wait_background"],"usage":{"budget":{"converged":false,"hard_ratio":0.95,"limit_usd":3.0,"soft_ratio":0.8,"spent_usd":0.040186,"stopped":false},"cache_read_tokens":104048,"cache_write_tokens":0,"cost_usd":0.040186,"estimated_tokens":0,"input_tokens":63581,"output_tokens":583,"reasoning_tokens":11808,"refused_by_approval":0,"refused_by_policy":0,"refused_tool_calls":0,"requests":9,"total_tokens":180020}}