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[PR #6179] [CLOSED] fix(pcap): report capture summaries unsupported where their bound is unavailable #7185

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opened 2026-11-01 21:45:59 +00:00 by bsakaguchi · 0 comments

bsakaguchi commented

2026-11-01 21:45:59 +00:00

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📋 Pull Request Information

Original PR: https://github.com/morluto/rea/pull/6179
Author: @Iyanuoluwa007
Created: 10/21/2026
Status: ❌ Closed

Base: main ← Head: fix/pcap-capture-host-availability

📝 Commits (1)

e6ce1c5 fix(pcap): report capture summaries unsupported where their bound is unavailable

📊 Changes

6 files changed (+56 additions, -2 deletions)

View changed files

📝 src/application/CapabilityInventory.test.ts (+32 -0)
📝 src/application/CapabilityInventory.ts (+11 -0)
📝 src/domain/pcap/pcapAnalysis.ts (+7 -0)
📝 src/pcap/PcapNativeBound.ts (+2 -1)
📝 src/pcap/PcapProvider.ts (+2 -1)
📝 src/server/sessionAvailabilityPolicy.ts (+2 -0)

📄 Description

Summary

Fixes #5711. binary_session no longer advertises inspect_pcap_capture as available on hosts where capture summaries are always refused (anything other than Linux and Windows, e.g. macOS). It now reports unsupported_host with remediation. inspect_pcap_client stays available.

Problem and expected behavior

CapabilityInventory.ts returned available for every pcap-provider tool. PcapProvider.inspectAvailability and preparePcapNativeBound refuse capture summaries unless the host can enforce their native memory bound: util-linux prlimit on Linux, owned Job Objects on Windows. On macOS, inspect_pcap_capture therefore always returned a non-retryable capability_unavailable, while binary_session kept advertising it.

Change and scope

src/domain/pcap/pcapAnalysis.ts: pcapCaptureHostSupported(platform), the one host rule.
src/pcap/PcapProvider.ts, src/pcap/PcapNativeBound.ts: use it instead of two inline platform checks, so the provider and the inventory can't drift apart.
src/application/CapabilityInventory.ts: optional policy fact pcapCaptureHostSupported. When it is false, inspect_pcap_capture is unsupported_host. Undefined keeps today's behavior for configured policies.
src/server/sessionAvailabilityPolicy.ts: the default policy sets it from the host platform.

Not included: per-call probing of TShark/capinfos or prlimit in binary_session. inspect_pcap_client and execution still report those.

Contract and boundary impact

Semantic owner and earliest changed stage: session tool availability for inspect_pcap_capture.
Contribution scope fit and linked maintainer decision: not applicable.
CLI and MCP/tool-catalog contract: on non-Linux/non-Windows hosts, binary_session reports inspect_pcap_capture with available: false, reason: "unsupported_host". Schemas unchanged.
Provider, bridge, target-format, or platform compatibility: Linux and Windows unchanged.
Evidence, artifact, provenance, or reconstruction contract: none.
Target selection, authority, upstream behavior, and cleanup details: not applicable.
Generated metadata, package, or installation impact: none.
Read existing files or captured data.

Evidence and regression coverage

Tests added: src/application/CapabilityInventory.test.ts "pcap capture host availability (#5711)". With pcapCaptureHostSupported: false, capture is unsupported_host and the client stays available; with true or undefined, both stay available.
Base reproduction: with the CapabilityInventory.ts change stashed, the unsupported-host case fails (executed).
Remaining proof gaps: no macOS host. The default-policy wiring is source-derived (platform from node:process), and the issue's macOS stdio MCP reproduction was not rerun. The 18 tests/boundary/pcap failures on my Windows checkout are identical with and without this change (process-ownership tests needing the packaged native addon).
Observed, derived, and inferred claims remain distinguishable.
Artifact identity, source provenance, and failed attempts remain preserved.
Unsupported, incomplete, unavailable, or uncertain outcomes remain visible.

Validation performed

npx vitest run src/application/CapabilityInventory.test.ts: 31 passed; the new case fails without the source change.
npx tsc --noEmit, npm run check:fast (typecheck, lint, pre-push), npm run verify:architecture-guards (1726 files): passed.

Compatibility, safety, and release

Breaking changes or migration steps: none; availability reporting only.
Real Hopper/Ghidra, browser, or OS coverage: none.
Package or release metadata impact: none.
Security, privacy, process, or containment review: none.

Author readiness

Human owner:

I reviewed the final diff and relevant existing code, understand the change and its edge cases, and take responsibility for the complete PR, including AI-assisted work.
I checked the evidence above, confirmed it supports the current change, and recorded meaningful validation gaps.
I declare this PR ready for initial maintainer review.

Before merge

This PR addresses a concrete problem or an agreed enhancement.
Material scope and authority questions are resolved, and any required maintainer scope decision covers the final diff.
The PR has one focused outcome and the title follows type(scope): outcome.
Related issue is linked, or the reason for not linking one is stated above.
Tests cover changed observable behavior and meaningful failure paths.
Owning docs, contracts, and generated metadata are updated where needed.
User-visible CLI/MCP changes include representative output.
I checked the final diff for secrets, unrelated cleanup, and unsupported claims.

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/morluto/rea/pull/6179 **Author:** [@Iyanuoluwa007](https://github.com/Iyanuoluwa007) **Created:** 10/21/2026 **Status:** ❌ Closed **Base:** `main` ← **Head:** `fix/pcap-capture-host-availability` --- ### 📝 Commits (1) - [`e6ce1c5`](https://github.com/morluto/rea/commit/e6ce1c5b3f5af56ff2a1ecbd460df786bd01f24f) fix(pcap): report capture summaries unsupported where their bound is unavailable ### 📊 Changes **6 files changed** (+56 additions, -2 deletions) <details> <summary>View changed files</summary> 📝 `src/application/CapabilityInventory.test.ts` (+32 -0) 📝 `src/application/CapabilityInventory.ts` (+11 -0) 📝 `src/domain/pcap/pcapAnalysis.ts` (+7 -0) 📝 `src/pcap/PcapNativeBound.ts` (+2 -1) 📝 `src/pcap/PcapProvider.ts` (+2 -1) 📝 `src/server/sessionAvailabilityPolicy.ts` (+2 -0) </details> ### 📄 Description ## Summary Fixes #5711. `binary_session` no longer advertises `inspect_pcap_capture` as available on hosts where capture summaries are always refused (anything other than Linux and Windows, e.g. macOS). It now reports `unsupported_host` with remediation. `inspect_pcap_client` stays available. ## Problem and expected behavior `CapabilityInventory.ts` returned `available` for every `pcap-provider` tool. `PcapProvider.inspectAvailability` and `preparePcapNativeBound` refuse capture summaries unless the host can enforce their native memory bound: util-linux `prlimit` on Linux, owned Job Objects on Windows. On macOS, `inspect_pcap_capture` therefore always returned a non-retryable `capability_unavailable`, while `binary_session` kept advertising it. ## Change and scope - `src/domain/pcap/pcapAnalysis.ts`: `pcapCaptureHostSupported(platform)`, the one host rule. - `src/pcap/PcapProvider.ts`, `src/pcap/PcapNativeBound.ts`: use it instead of two inline platform checks, so the provider and the inventory can't drift apart. - `src/application/CapabilityInventory.ts`: optional policy fact `pcapCaptureHostSupported`. When it is `false`, `inspect_pcap_capture` is `unsupported_host`. Undefined keeps today's behavior for configured policies. - `src/server/sessionAvailabilityPolicy.ts`: the default policy sets it from the host platform. Not included: per-call probing of TShark/capinfos or `prlimit` in `binary_session`. `inspect_pcap_client` and execution still report those. ## Contract and boundary impact - Semantic owner and earliest changed stage: session tool availability for `inspect_pcap_capture`. - Contribution scope fit and linked maintainer decision: not applicable. - CLI and MCP/tool-catalog contract: on non-Linux/non-Windows hosts, `binary_session` reports `inspect_pcap_capture` with `available: false`, `reason: "unsupported_host"`. Schemas unchanged. - Provider, bridge, target-format, or platform compatibility: Linux and Windows unchanged. - Evidence, artifact, provenance, or reconstruction contract: none. - Target selection, authority, upstream behavior, and cleanup details: not applicable. - Generated metadata, package, or installation impact: none. - [x] Read existing files or captured data. ## Evidence and regression coverage - Tests added: `src/application/CapabilityInventory.test.ts` "pcap capture host availability (#5711)". With `pcapCaptureHostSupported: false`, capture is `unsupported_host` and the client stays available; with `true` or undefined, both stay available. - Base reproduction: with the `CapabilityInventory.ts` change stashed, the unsupported-host case fails (executed). - Remaining proof gaps: no macOS host. The default-policy wiring is source-derived (`platform` from `node:process`), and the issue's macOS stdio MCP reproduction was not rerun. The 18 `tests/boundary/pcap` failures on my Windows checkout are identical with and without this change (process-ownership tests needing the packaged native addon). - [x] Observed, derived, and inferred claims remain distinguishable. - [x] Artifact identity, source provenance, and failed attempts remain preserved. - [x] Unsupported, incomplete, unavailable, or uncertain outcomes remain visible. ## Validation performed - `npx vitest run src/application/CapabilityInventory.test.ts`: 31 passed; the new case fails without the source change. - `npx tsc --noEmit`, `npm run check:fast` (typecheck, lint, pre-push), `npm run verify:architecture-guards` (1726 files): passed. ## Compatibility, safety, and release - Breaking changes or migration steps: none; availability reporting only. - Real Hopper/Ghidra, browser, or OS coverage: none. - Package or release metadata impact: none. - Security, privacy, process, or containment review: none. ## Author readiness Human owner:  - [x] I reviewed the final diff and relevant existing code, understand the change and its edge cases, and take responsibility for the complete PR, including AI-assisted work. - [x] I checked the evidence above, confirmed it supports the current change, and recorded meaningful validation gaps. - [x] I declare this PR ready for initial maintainer review. ## Before merge - [x] This PR addresses a concrete problem or an agreed enhancement. - [x] Material scope and authority questions are resolved, and any required maintainer scope decision covers the final diff. - [x] The PR has one focused outcome and the title follows `type(scope): outcome`. - [x] Related issue is linked, or the reason for not linking one is stated above. - [x] Tests cover changed observable behavior and meaningful failure paths. - [x] Owning docs, contracts, and generated metadata are updated where needed. - [x] User-visible CLI/MCP changes include representative output. - [x] I checked the final diff for secrets, unrelated cleanup, and unsupported claims. --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>

bsakaguchi

2026-11-01 21:45:59 +00:00

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bsakaguchi referenced this issue

2026-11-03 13:39:45 +00:00

[PR #7185] [MERGED] fix(contracts): publish portable browser request patterns #7702

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