docs(plugin): record web search client seams

.project-docs/30-worklog/tasks/20260831-makelore-web-search-client-inspection-6b4d2e81.md

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+# Task: Inspect MakeLore Web Search Plugin seams
+
+## Identity
+
+- Task ID: 20260831-makelore-web-search-client-inspection-6b4d2e81
+- Mode: Feature
+- Branch: main
+- Worktree: D:\Datas\OthersProjects\makelore
+- Base commit: bf32fecd6013101485434b1977a73beb8b6a1fe3
+- Owner: codex-root
+- Status: Ready for Integration
+
+## Scope
+
+- Inspect the exact MakeLore Main, Marketplace Package Store, effective plugin resolver,
+  capability registry, Pi worker, conversation-envelope, and Renderer seams needed by a
+  future `makelore.web-search` hosted Plugin.
+- Record client ownership and acceptance requirements in the server-side task-owned Web
+  Search design/spec. Do not implement product code in this client root.
+
+## Intent And Constraints
+
+- The installed schema-2 package remains declarative; only a code-owned Main adapter may
+  call the fixed Works Square typed route. Pi and Renderer never receive Provider secrets
+  or arbitrary endpoints.
+- A tool is materialized only for an acquired, installed, compatible, project-enabled,
+  Agent-assigned, admitted and currently supported Release, parent worker only. Existing
+  account/project/logout/worker invalidation and stable logical-operation identity apply.
+- Preserve the generic Marketplace/My Plugins surfaces and
+  `makelore-capability.v1` conversation parser. P0 needs no plugin-specific Renderer panel.
+- Concurrent Task Gate: PASS. This clean root was claimed at exact base
+  `bf32fecd6013101485434b1977a73beb8b6a1fe3`; no other active writer owns this semantic
+  slice and only this task record is changed.
+- Planning Gate: PASS after loading AGENTS, project memory, current plugin source and
+  tests. The project-positioning document is still a template and is therefore recorded
+  as stale context; AGENTS, current-state, exact source, and tests are the implementation
+  authority for this inspection.
+
+## Outcome
+
+- Completed a read-only client seam inspection and fed exact ownership/acceptance
+  requirements into the server task's detailed design and implementation Spec.
+- Confirmed Web Search can remain a signed schema-2 `platform_hosted` package with one
+  code-owned Main adapter; no static Pi allowlist, third-party executable, Provider
+  secret/model, generic invoke route, or Plugin-specific results page is required.
+- Identified one necessary generic UI change: the conversation timeline may render the
+  closed billing union, while `web-search.v1` answer/sources remain tool payload used by
+  the Agent and preserved by conversation details.
+- No client product file was changed.
+
+## Verification
+
+- Inspected current Package Store, Marketplace client, effective resolver, capability
+  registry, Game Resource hosted adapter, Pi worker materialization, conversation parser,
+  timeline, composition and their focused tests at exact base
+  `bf32fecd6013101485434b1977a73beb8b6a1fe3`.
+- Confirmed `CapabilityBillingReceiptV1` currently has no Main transport-ambiguity
+  variant and the generic timeline currently shows only operation/outcome; both changes
+  are explicitly owned by MLW-02/MLW-03 rather than silently assumed.
+- Final `check_project_docs` and task-aware `check_doc_drift` pass.
+
+## Follow-ups
+
+- Start client implementation only after the server WSW-03 typed DTO is frozen, then
+  follow MLW-01 -> MLW-02 -> MLW-03 and fixed-range review from the current integrated
+  client frontier.
+
+## Promotion Candidates
+
+- None recorded.