glm-5.2
1baa619ce9
The monolithic open-questions.md (1310 lines, 47 OQs) was large enough to be unmanageable, with high size variance (OQ-42 at 220 lines next to OQ-06 at 8). Decomposed into one file per OQ under docs/architecture/questions/ (NNN-slug.md, mirroring the ADR convention), with open-questions.md retained as the index: theme-grouped tables plus a cross-theme Deferred/Blocked section that surfaces the 6 deferred OQs with their Blocked-on conditions inline (the safe-exit visibility surface). Per-OQ content moved verbatim; all 62 inbound links stay valid (none used anchors). README's curated OQ summary dropped (now redundant with the index tables). Also seeds tasks/architecture/ with this task plus two follow-ups found during the decompose: OQ-09/10 missing structured Blocked-on fields, and the tasks/architecture/ blocker-task half of the Safe Exit protocol being unenforced.
9 lines
1.3 KiB
Markdown
9 lines
1.3 KiB
Markdown
# OQ-15: Call Protocol Client and Adapter Contract
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- **Origin**: [call-protocol.md](crates/call/call-protocol.md), [operation-registry.md](crates/call/operation-registry.md), ADR-013
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- **Status**: resolved
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- **Door type**: One-way
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- **Priority**: high
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- **Resolution**: `CallClient` opens QUIC connections and shares the dispatch loop with `CallAdapter` — both sides can send and receive `call.requested` once connected. Connection direction (who opened the connection) is independent of call direction (who calls whom). `from_call` adapter discovers remote operations via `services/list` + `services/schema` and registers them with forwarding handlers — same pattern as `from_openapi` and `from_mcp`. `to_openapi` and `to_mcp` project local operations to external protocols. Adapter contract trait (`OperationAdapter`) produces `(OperationSpec, Handler)` pairs. Cross-node call tree: abort cascade (ADR-016) propagates across node boundaries through `from_call` handlers. Credentials for connections come from capabilities (ADR-014). Adapter-registered operations are `Internal` by default (ADR-015). See ADR-017.
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- **Cross-references**: ADR-005, ADR-013, ADR-014, ADR-015, ADR-016, ADR-017, [call-protocol.md](crates/call/call-protocol.md), [operation-registry.md](crates/call/operation-registry.md)
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