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yoi/.yoi/tickets/00001KVHR3WRF/thread.md

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作成

LocalTicketBackend によって作成されました。

State changed

Ticket を workspace-panel が queued にしました。

Decision

Routing decision: waiting_capacity

Panel Queue により routing 対象として確認したが、現在 00001KVHKWNQS が inprogress で Coder 作業中のため、この MCP foundation Ticket は実装開始せず queued のまま保持する。

Evidence:

  • Ticket body / relations を確認。
  • Orchestrator worktree は clean。
  • queued は MCP chain とこの Ticket 群、inprogress は 00001KVHKWNQS のみ。
  • matching branch/worktree は存在しない。

Next:

  • 00001KVHKWNQS が完了して実装 capacity が空いた後、改めて reroute する。

Decision

Routing decision: implementation_ready

Reason:

  • Panel Queue により、この Ticket は Orchestrator routing 対象として明示許可された。
  • Ticket body は local stdio MCP server configuration / trust policy の範囲を、spawning/lifecycle を含まない config parse/validation/diagnostics Ticket として明確に定義している。
  • 前回の waiting_capacity note は 00001KVHKWNQS が inprogress だったためだが、現在 00001KVHKWNQS は closed で capacity blocker は解消済み。
  • 00001KVHR3WRF 自身には未解決 blocking relation はない。Incoming 00001KVHR3WRY depends_on this は後続 Ticket であり blocker ではない。
  • 現在 inprogress は 0 件、child implementation Pods はなし、matching branch/worktree はなし、Orchestrator worktree は clean。
  • Risk domain は mcp / config / trust-boundary / secrets / process-exec だが、Ticket は no process spawning、no auto-start、secret redaction、local executable trust boundary、Plugin permissions / pod::feature authority separation などの invariants を明示している。bounded context check 後も implementation 前に必要な追加 human decision は見つからなかった。

Evidence checked:

  • Ticket 00001KVHR3WRF body / thread / relations / artifacts。
  • TicketRelationQuery(00001KVHR3WRF): no outgoing blocking dependency; incoming lifecycle Ticket depends on this。
  • TicketOrchestrationPlanQuery(00001KVHR3WRF): previous waiting capacity note resolved by 00001KVHKWNQS closure; accepted plan recorded now。
  • Workspace state:
    • Orchestrator worktree clean at a5df9e37。
    • queued: MCP chain remains queued。
    • inprogress: 0。
    • visible Pods: self + peers only; spawned children 0。
    • no matching MCP implementation branch/worktree。

IntentPacket:

Intent:

  • Add typed Profile/config support for named local stdio MCP servers and the trust-policy diagnostics around that config。
  • This Ticket is intentionally config-only: parse, validate, redact, and document; do not spawn processes or implement JSON-RPC lifecycle。

Binding decisions / invariants:

  • No package/workspace presence auto-start。Config alone must not spawn an MCP process。
  • Local stdio MCP servers are local executables running with user OS permissions; Yoi feature authority does not sandbox OS-level side effects。
  • Keep MCP config/trust policy separate from Plugin permissions and pod::feature authority。
  • Config must be explicit and named; no implicit discovery or auto-enablement。
  • Command/args/cwd/env/secret-related configuration must validate fail-closed with bounded diagnostics。
  • Secret/env values must be redacted in diagnostics/log/model-facing surfaces; do not persist plaintext secrets through errors/debug output。
  • This Ticket must not implement initialize/capability negotiation, tool/resource/prompt registration, streamable HTTP/OAuth/remote MCP, or subprocess spawning。

Requirements / acceptance criteria:

  • A Profile/config can declare a named local stdio MCP server。
  • Invalid command/env/secret config is rejected with bounded diagnostic。
  • Secrets are not emitted in plaintext diagnostics/log/model context。
  • Config alone does not spawn a process。
  • Docs explain that configured local MCP servers are not OS-sandboxed by Yoi feature authority。
  • Tests cover valid config, invalid config, secret redaction, and no auto-start。

Escalate if:

  • Existing Profile/config model cannot represent MCP server declarations without a broader config/profile schema decision。
  • Secret reference representation would require changing the local secret-store policy rather than referencing existing secret/env abstractions。
  • Tests require actual process spawning; that belongs to a later Ticket, not this one。

Next action:

  • Record queued -> inprogress and commit Ticket records before creating the implementation worktree and spawning Coder。

State changed

Ticket body/thread, relation metadata, resolved capacity blocker, Orchestrator worktree state, visible Pods, existing branch/worktree, and bounded MCP config/trust context were checked. There is no unresolved blocking dependency, no inprogress/capacity blocker, and no missing planning decision. Accepting this queued Ticket for implementation before worktree/Pod side effects.

Implementation report

Implementation orchestration start:

  • Acceptance records were committed on Orchestrator branch: b0225e48 ticket: accept mcp stdio config trust。
  • Created implementation worktree /home/hare/Projects/yoi/.worktree/00001KVHR3WRF-mcp-stdio-config-trust on branch impl/00001KVHR3WRF-mcp-stdio-config-trust at b0225e48。
  • Spawned Coder Pod yoi-coder-00001KVHR3WRF with write scope limited to the implementation worktree and read-only root scope only for runtime workspace identity。
  • Coder task explicitly forbids root/original workspace implementation, process spawning for this Ticket, merge, Ticket close, and cleanup。

Next action:

  • Wait for Coder implementation report, then inspect branch diff/validation evidence and route to Reviewer。

Implementation report

Coder implementation report received from yoi-coder-00001KVHR3WRF.

Implementation commit:

  • e0680cce mcp: add stdio server config

Changed areas reported:

  • Added typed MCP config schema in crates/manifest:
    • mcp.stdio_server list with explicit name, command, args, cwd, and env。
    • explicit env policy with inherit and set。
    • env values support literal, secret_ref, and env_ref。
    • literal env values are redacted in Debug。
  • Added validation for duplicate names, empty/NUL command and args, cwd policy/path, env variable names, secret refs, and bounded diagnostics without secret/env value leakage。
  • Integrated MCP config through Profile resolution and child manifest inheritance without adding process spawning。
  • Added focused tests for valid config, invalid command/duplicate names, invalid secret refs/redaction, nonexistent command accepted as no auto-start proof, and Lua Profile MCP config resolution。
  • Updated docs in docs/design/profiles-manifests-prompts.md with local stdio MCP config and trust boundary。
  • Updated Nix cargo hash due manifest dependency graph change。

Coder validation reported:

  • cargo test -p manifest mcp --lib: passed。
  • cargo check: passed。
  • cargo fmt --all --check: passed。
  • git diff --check: passed。
  • nix build .#yoi --no-link: passed。
  • cargo test -p manifest --lib: failed on pre-existing/unrelated plugin::tests::template_includes_current_pdk_version, reportedly due resources/plugin-templates/rust/Cargo.toml PDK version 0.2.0 vs CARGO_PKG_VERSION 0.1.0。

Known deferrals:

  • No MCP subprocess spawning, initialize/capability negotiation, tool/resource/prompt registration, HTTP/OAuth, or JSON-RPC lifecycle added。
  • Command executability intentionally not checked at config-parse time; only structural validation is performed。

Orchestrator evidence checked before review dispatch:

  • Implementation worktree is clean。
  • HEAD is e0680cce。
  • Diff from acceptance b0225e48..HEAD is one implementation commit touching 8 files, about 515 insertions / 10 deletions。
  • git diff --check b0225e48..HEAD produced no diagnostics。

Next action:

  • Dispatch Reviewer for r1 review against Ticket requirements, with focus on config schema fit, validation/redaction boundaries, no process spawning/no auto-start, Profile/config layering, docs trust boundary, and whether the reported manifest --lib failure is unrelated or must be fixed。

Plan

Review dispatch:

  • Spawned Reviewer Pod yoi-reviewer-00001KVHR3WRF-r1 against implementation branch impl/00001KVHR3WRF-mcp-stdio-config-trust。
  • Review target commit: e0680cce mcp: add stdio server config。
  • Review baseline: b0225e48。
  • Reviewer task focuses on config-only boundary, no process spawning/no auto-start, secret/env redaction, fail-closed validation, Profile/config layering, trust-boundary docs, MCP vs Plugin/feature authority separation, and the reported cargo test -p manifest --lib failure。
  • Reviewer is instructed not to edit source, commit, merge, close the Ticket, or use TicketReview directly; it will report verdict/evidence back to Orchestrator。

Review: approve

Verdict: approve

確認範囲:

  • Ticket contract / Orchestrator IntentPacket。
  • Diff: b0225e48..e0680cce。
  • 主な対象: crates/manifest/src/lib.rs, crates/manifest/src/config.rs, crates/manifest/src/profile.rs, crates/manifest/Cargo.toml, crates/pod/src/spawn/tool.rs, docs/design/profiles-manifests-prompts.md, Cargo.lock, package.nix。
  • Diff 内で Command::new, tokio::process, std::process, spawn, initialize/capability negotiation, JSON-RPC/tool registration などの process/lifecycle implementation 追加を確認。

Blocking issues: none。

Critical risk checks:

  • Config-only boundary は維持されている。MCP subprocess spawning、MCP initialize/capability negotiation、JSON-RPC lifecycle、tool/resource/prompt registration は追加されていない。
  • crates/manifest/src/lib.rs は typed McpConfig、named stdio_server entries、command / args / cwd / explicit env.inherit / env.set、literal / secret_ref / env_ref を追加している。
  • McpEnvValue::Debug は literal env values を redact する。validation errors は literal/env/secret values を echo しない。
  • crates/manifest/src/config.rs は duplicate server names、empty/NUL names/commands/args、cwd absolute-after-resolution policy、env var names、secret ref IDs、NUL literal env values を bounded diagnostics で検証している。
  • Profile integration は通常の Profile resolution / path-resolution flow 経由。Reusable Profiles は absolute MCP cwd paths を拒否する。
  • crates/pod/src/spawn/tool.rs は manifest.mcp.clone() を inherited child manifest config に載せるだけで、child/grandchild MCP execution は追加しない。
  • Docs は stdio config 宣言だけでは subprocess / tool/resource/prompt registration が起きないこと、local stdio MCP server は user OS permissions の通常 executable として動くこと、Yoi feature flags / Plugin permissions / MCP config validation は OS sandbox ではないことを明記している。

Non-blocking concerns / follow-ups:

  • cargo test -p manifest --lib は plugin::tests::embedded_rust_component_tool_template_is_valid_package_shape で失敗するが、この branch の diff は crates/manifest/src/plugin.rs や template files を変更していない。Reviewer は b0225e48 時点で既に同じ template resource/test mismatch があるため unrelated/pre-existing と判断した。

Reviewer validation:

  • cargo fmt --all --check: passed。
  • git diff --check b0225e48..HEAD: passed。
  • cargo test -p manifest mcp --lib: 5 MCP-focused tests passed。
  • cargo check: passed。
  • nix build .#yoi --no-link: passed。
  • cargo test -p manifest --lib: unrelated pre-existing plugin template-shape failure only。

Worktree status at review end: clean。

Implementation report

Merge and final validation report:

Merged implementation branch into Orchestrator branch:

  • Merge commit: 9b7c4e27 merge: mcp stdio config trust
  • Implementation commit included:
    • e0680cce mcp: add stdio server config

Reviewer outcome:

  • r1 approved with no blocking issues。
  • Reviewer confirmed config-only boundary, no subprocess/MCP lifecycle implementation, redaction behavior, Profile/config integration, docs trust boundary, and that cargo test -p manifest --lib failure is unrelated/pre-existing plugin template test mismatch。

Orchestrator validation after merge passed:

  • cargo fmt --all --check
  • git diff --check HEAD^1..HEAD
  • cargo test -p manifest mcp --lib
  • cargo check
  • nix build .#yoi --no-link
  • nix path-info -S .#yoi: 112615056

Validation log:

  • /run/user/1000/yoi/yoi-orchestrator/bash-output/bash-uxMpR3.log

Known unrelated validation note:

  • Full cargo test -p manifest --lib was not used as a final gate because Reviewer confirmed an unrelated/pre-existing plugin template-shape failure outside this branch's diff。

Final state:

  • Orchestrator worktree clean at 9b7c4e27 after validation。
  • Implementation worktree remains available for cleanup after Ticket completion records are committed。

State changed

Implementation was merged into Orchestrator branch at 9b7c4e27, review approved, and final Orchestrator validation passed: cargo fmt --all --check, git diff --check HEAD^1..HEAD, cargo test -p manifest mcp --lib, cargo check, and nix build .#yoi --no-link.

State changed

Ticket を closed にしました。

完了

Resolution

00001KVHR3WRF を完了しました。

実装内容:

  • Typed MCP config schema を crates/manifest に追加しました。
  • Profile/config で named local stdio MCP server を宣言できるようにしました。
  • Config fields は name, command, args, cwd, env.inherit, env.set を含みます。
  • Env value は literal, secret_ref, env_ref をサポートします。
  • Validation は duplicate names、empty/NUL command/args、cwd policy/path、env var name、secret ref、NUL literal env values などを fail-closed で検査します。
  • Diagnostics / Debug は secret/env/literal values を plaintext で出さないよう redaction します。
  • Profile resolution / child manifest inheritance に MCP config を通しましたが、subprocess spawning / initialize / JSON-RPC lifecycle / tool/resource/prompt registration は実装していません。
  • Docs に local stdio MCP server の trust boundary を記録しました。Configured stdio server は user OS permissions で動く local executable であり、Yoi feature authority / Plugin permissions / MCP config validation は OS sandbox ではありません。

主な commit:

  • e0680cce mcp: add stdio server config
  • 9b7c4e27 merge: mcp stdio config trust

Review:

  • r1 は approve。
  • Reviewer は config-only boundary、no process spawning/no auto-start、secret redaction、Profile/config integration、docs trust boundary を確認しました。

最終 validation:

  • cargo fmt --all --check
  • git diff --check HEAD^1..HEAD
  • cargo test -p manifest mcp --lib
  • cargo check
  • nix build .#yoi --no-link

Package impact:

  • nix path-info -S .#yoi: 112615056

Known unrelated note:

  • Full cargo test -p manifest --lib は、branch 外の既存 Plugin template-shape mismatch で失敗するため最終 gate にしませんでした。Reviewer はこの failure が b0225e48..HEAD の diff に起因しないことを確認済みです。

Validation log:

  • /run/user/1000/yoi/yoi-orchestrator/bash-output/bash-uxMpR3.log