tractor/ai/prompt-io/opencode/20260822T023226Z_59a8ecfd_p...

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---
model: gpt-5.6-sol
service: opencode
session: tractor-addr-unpacking
timestamp: 2026-08-22T02:32:26Z
git_ref: 59a8ecfd
scope: code
substantive: true
raw_file: 20260822T023226Z_59a8ecfd_prompt_io.raw.md
---
## Prompt
After committing the read-only pyroute2 helpers and `wgman` design
update, the human authorized the next isolated Layer B change:
explicit `verify_wg_peer()` composition over WireGuard inspection.
## Response summary
Added and exported async `verify_wg_peer()` using one validated
WireGuard key snapshot. It recognizes local-interface and configured
peer identities without coupling kernel inspection to address
parsing. Updated the multihost examples to use the production helper
and removed their subprocess-based probe.
## Files changed
- `tractor/discovery/_tunnel.py` - shared async snapshot reader and
explicit verification helper.
- `tractor/discovery/__init__.py` - public verification export.
- `tests/discovery/test_wg_inspection.py` - local, peer, absent and
malformed-key verification coverage.
- `examples/multihost/wg_lan/host_a_srv.py` - async local-key check.
- `examples/multihost/wg_lan/host_b_client.py` - async peer-key check.
- `examples/multihost/wg_lan/wg_maddr.py` - removed obsolete
subprocess probe.
- `examples/multihost/wg_lan/README.md` - pyroute2 requirements and
verification workflow.
- `ai/tpt-backends/03_wg_tunnel_bindspace.md` - async API contract.
## Human edits
The human selected this pre-agreed verification layer as the next
atomic change after reviewing and committing the preceding read and
architecture changes. The agent implemented the source changes; no
direct manual edits or follow-up corrections were observed.