feat(mcp): add session-scoped dynamic MCP runtime

[KonghaYao]

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[coderabbitai]

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📒 Files selected for processing (123)

• .claude/skills/heavy-verify-loop/SKILL.md
• .gitignore
• docs/code-index/peri-agent.md
• docs/code-index/peri-middlewares.md
• docs/design/dynamic-mcp.md
• docs/design/wasi.md
• docs/standards/architecture-contracts.md
• e2e/debug-statusbar-click.mjs
• e2e/e2e-results-2026-08-06-2.md
• e2e/e2e-results-2026-08-06.md
• e2e/release-3.0-e2e-results.md
• e2e/results/p0-verification.md
• e2e/results/report-1.md
• peri-acp-types/Cargo.toml
• peri-acp-types/src/dynamic_mcp.rs
• peri-acp-types/src/dynamic_mcp_test.rs
• peri-acp-types/src/lib.rs
• peri-acp-types/src/ports.rs
• peri-acp-types/src/ports_test.rs
• peri-acp-types/src/session.rs
• peri-acp-types/src/tools.rs
• peri-acp/src/event/oauth.rs
• peri-acp/src/host/assemble.rs
• peri-acp/src/host/executor_flow_test.rs
• peri-acp/src/host/mod.rs
• peri-acp/src/host/prediction_projection.rs
• peri-acp/src/host/prediction_projection_test.rs
• peri-acp/src/host/prompt.rs
• peri-acp/src/host/requests/mcp_oauth.rs
• peri-acp/src/host/requests_test.rs
• peri-acp/src/host/stage_builder.rs
• peri-acp/src/host/stdio/run_server_integration_test.rs
• peri-acp/src/host/task_scope.rs
• peri-acp/src/host/task_scope_test.rs
• peri-acp/src/session/mod.rs
• peri-acp/src/session/mod_test.rs
• peri-agent/src/agent/stages/act.rs
• peri-agent/src/agent/stages/act_test.rs
• peri-agent/src/agent/stages/middleware_runner.rs
• peri-agent/src/agent/stages/mod.rs
• peri-agent/src/agent/stages/reason.rs
• peri-agent/src/agent/stages/stages_test.rs
• peri-agent/src/agent/stages/tool_dispatch.rs
• peri-agent/src/agent/stages/tool_dispatch_test.rs
• peri-agent/src/middleware/chain.rs
• peri-agent/src/middleware/trait.rs
• peri-agent/src/session/exec/executor/context.rs
• peri-agent/src/session/exec/executor_helpers/v2_execute.rs
• peri-agent/src/session/exec/executor_test.rs
• peri-agent/src/session/exec/stage_builder.rs
• peri-agent/src/session/factory.rs
• peri-agent/src/session/mod.rs
• peri-agent/src/session/subagent/factory.rs
• peri-agent/src/session/subagent/types.rs
• peri-agent/src/session/subagent/v2_bridge.rs
• peri-agent/src/session/subagent_test.rs
• peri-agent/src/session/tool_catalog.rs
• peri-agent/src/session/tool_catalog_test.rs
• peri-agent/src/tools/invocation.rs
• peri-agent/src/tools/mod.rs
• peri-cool
• peri-middlewares/Cargo.toml
• peri-middlewares/src/assembly.rs
• peri-middlewares/src/assembly_test.rs
• peri-middlewares/src/mcp/auth_store.rs
• peri-middlewares/src/mcp/callback_server.rs
• peri-middlewares/src/mcp/client.rs
• peri-middlewares/src/mcp/client/transport.rs
• peri-middlewares/src/mcp/client_test.rs
• peri-middlewares/src/mcp/dynamic/admission.rs
• peri-middlewares/src/mcp/dynamic/mod.rs
• peri-middlewares/src/mcp/dynamic/registry.rs
• peri-middlewares/src/mcp/dynamic/registry_test.rs
• peri-middlewares/src/mcp/dynamic/staged_connection.rs
• peri-middlewares/src/mcp/dynamic/tool.rs
• peri-middlewares/src/mcp/dynamic/tool_test.rs
• peri-middlewares/src/mcp/middleware.rs
• peri-middlewares/src/mcp/middleware_test.rs
• peri-middlewares/src/mcp/mod.rs
• peri-middlewares/src/mcp/oauth_flow.rs
• peri-middlewares/src/mcp/task_scope.rs
• peri-middlewares/src/mcp/task_scope_test.rs
• peri-middlewares/src/mcp/tool_bridge.rs
• peri-middlewares/src/permission/mod.rs
• peri-middlewares/src/permission/mod_test.rs
• peri-middlewares/src/skills/loader.rs
• peri-middlewares/src/skills/loader_test.rs
• peri-middlewares/src/subagent/fork.rs
• peri-middlewares/src/subagent/tool/build_agent.rs
• peri-middlewares/src/subagent/tool/define.rs
• peri-middlewares/src/subagent/tool/execute_bg.rs
• peri-middlewares/src/subagent/tool/execute_fork.rs
• peri-middlewares/src/subagent/tool/execute_resume.rs
• peri-middlewares/src/subagent/tool/tool_test.rs
• peri-middlewares/src/subagent/tool/tool_test/dynamic_mcp_subagent_test.rs
• peri-middlewares/src/tool_search/execute_tool.rs
• peri-middlewares/src/tool_search/middleware.rs
• peri-middlewares/src/tool_search/middleware_test.rs
• peri-middlewares/src/tools/mod.rs
• peri-middlewares/tests/canonical_tool_invocation_contract.rs
• peri-tui/locales/en/main.ftl
• peri-tui/locales/zh-CN/main.ftl
• peri-tui/src/kit/panel_registry.rs
• peri-tui/src/kit/panel_registry_test.rs
• peri-tui/src/kit/ui_command_test.rs
• scripts/command-system-phase1.mjs
• scripts/command-system-phase2.mjs
• scripts/command-system-phase3.mjs
• scripts/command-system-phase4.mjs
• scripts/command-system-phase5.mjs
• scripts/command-system-phase6.mjs
• scripts/command-system-plan.mjs
• scripts/image-rendering.mjs
• scripts/lsp-fix-workflow.mjs
• spec/archive-issues/README.md
• spec/archive-issues/acp-protocol/2026-08-17-stdio-ask-user-question-forward.md
• spec/archive-issues/subagent/2026-08-12-bg-agent-events-reactivate-loading.md
• spec/archive-issues/subagent/2026-08-12-bg-subagent-text-leaks-into-main-reply.md
• spec/archive-issues/tools/2026-08-12-mcp-status-info-notification.md
• spec/archive-issues/tools/2026-08-22-toolsearch-direct-tool-declaration-drift.md
• spec/issues/2026-08-27-mcp-auto-protocol-negotiation.md
• spec/issues/2026-08-27-mcp-stdio-inherits-parent-environment.md
• spec/issues/2026-08-27-session-tool-catalog-and-message-projection-failures.md

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