[milestone Milestone 1 ] Fix `crates/proxy-wasm-evidence/src/filter.rs` `on_http_request_headers()`: capt...

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🤖 Auto-filed from milestone doc bullet.

Repo: WasmAgent/wasmagent-proxy
Milestone: Milestone 1 — Classification Bug Fix and Test Coverage
Bullet:

Fix crates/proxy-wasm-evidence/src/filter.rs on_http_request_headers(): capture mcp_method from x-mcp-method (or MCP-Method) header and mcp_name from MCP-Name header, store in struct fields

Relevant code context (from worktree)

symbol: crates: crates/aep-core/src/mcp_headers.rs:140
symbol: crates: crates/aep-core/src/mcp_headers.rs:151
symbol: crates: crates/proxy-wasm-evidence/src/recorder.rs:372
symbol: crates: crates/aep-core/src/evidence.rs:84
symbol: crates: crates/aep-core/src/recording.rs:143
symbol: evidence: crates/aep-core/src/evidence.rs:42
symbol: evidence: crates/aep-core/src/lib.rs:7
symbol: evidence: crates/proxy-wasm-evidence/src/recorder.rs:18
symbol: filter: crates/proxy-wasm-evidence/src/recorder.rs:354
symbol: capture: crates/aep-core/src/mcp_headers.rs:124

Acceptance criteria

• Command cargo build && cargo test passes
• The specific work described in the bullet above is implemented in the smallest number of files required.
• No unrelated files touched (git status --short output limited to the intended change).

Notes for the implementer

This issue was auto-created by SweepMilestoneBulletToIssue. The bullet text is verbatim
from the milestone doc. If ambiguous or too large for a single implement cycle,
verify-first should return NEEDS_SPLIT with sub-issue proposals or NEEDS_HUMAN with the blocker.

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