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## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - Agents receive reviewed actions discovered from their connections. > - Transport, discovery, risk classification, publication and account inventory lived in the same service. > - Their ownership differs: transport guards requests, discovery reads providers, and publication changes the catalog under locks. > - This pull request gives those phases separate modules with explicit capabilities. > - The benefit is a visible discovery-to-publication path that preserves permission and quarantine behavior. ## Linked Issues or Issue Description Builds on merged #17162 and preserves the connector policy from #17141. Earlier stack: #17144 → #17146 → #17147 → #17155 → #17157 → #17159 → #17161 → #17162 → this PR. **What existing behavior does this improve?** Maintenance of tool discovery, catalog publication, health and upstream account inventory. **Current behavior** The 8,988-line service handles HTTP guards, MCP sessions, provider probes, risk classification, quarantine, cached reads and account sync. **Proposed behavior** Discovery returns descriptors through the existing credential and transport owners. Publication owns catalog writes and default access. A reader owns refresh deduplication. Health and aggregator inventory have separate owners. **Reason and benefit** The entry point falls to 6,419 lines, a reduction of 2,569. Provider discovery no longer shares a closure with connection setup and teardown. ## What Changed - Extract guarded remote HTTP, descriptor policy, discovery, publication, default access, cached reads, health, attention and aggregator account sync. - Keep the public descriptor/risk exports and existing service methods. - Preserve database locks, transaction-scoped default-access writes, quarantine decisions, current grant checks and failure classification. - Preserve per-service catalog flights and aggregator jobs, lease ownership and live remote-request options. - New modules range from 39 to 492 lines. ## Verification - Before and after the move, 470 public service/HTTP integration cases and 44 publication, HTTP rebinding and aggregator sync cases pass. - Server typecheck, module-boundary gate and whitespace checks pass. - All 157 pre-existing function/method bodies match by normalized syntax comparison. - Before merge integration, the completed stack passed 525 targeted cases, repository-wide typecheck and build. Its stronger rotating-token fixture is included. - After replaying onto master, the integrated stack passes 601 cases across nine suites, including Braintrust lifecycle and connector-policy coverage. Server typecheck and module-boundary checks pass. All 157 moved bodies still match the current master versions. - The earlier local full-suite run was interrupted after 79 minutes and remains unverified. All current-head CI gates pass on `a21595f20809a514b7619d8a8748c56f8e546e2f`, including the full sharded test matrix, browser suites, typecheck, build and canary dry run. Greptile is 5/5 with no open review threads after merge integration. ## Risks - Discovery must keep its current grant and session behavior; publication must retain its locks and quarantine rules. Existing authority, schema-drift and publication-race tests exercise these paths. - Aggregator account observations must not become authorization. Lease, freshness, failure and credential-fingerprint behavior stay unchanged. - Live transport options must not be snapshotted. The HTTP owner retains the same options object. - No schema, public API, access-policy or scheduling change is intended. ## Model Used OpenAI Codex, GPT-6 family, with repository tools and code execution. The exact serving model ID and context-window size are not exposed in this session. ## Checklist - [x] I have included a thinking path that traces from project context to this change - [x] I have specified the model used (with version and capability details) - [x] I have checked ROADMAP.md and confirmed this PR does not duplicate planned core work - [x] I have searched GitHub for duplicate or related PRs and linked them above - [x] I have either (a) linked existing issues with `Fixes: #` / `Closes #` / `Refs #` OR (b) described the issue in-PR following the relevant issue template - [x] I have not referenced internal/instance-local Paperclip issues or links (only public GitHub `#NNN` / `github.com/paperclipai/paperclip` URLs) - [x] My branch name describes the change (e.g. `docs/...`, `fix/...`) and contains no internal Paperclip ticket id or instance-derived details - [x] I have run tests locally and they pass - [x] I have added or updated tests where applicable - [x] I have updated relevant documentation to reflect my changes - [x] I have considered and documented any risks above - [x] All Paperclip CI gates are green - [x] Greptile is 5/5 with no open P2s, recommendations, or follow-ups - [x] I will address all Greptile and reviewer comments before requesting merge Co-authored-by: Paperclip <noreply@paperclip.ing>