glm-5.2
5941280bca
Address the root cause of rework-causing hedging: the architect was
put in a logical bind where it couldn't express justified uncertainty
('the pieces exist but the shape isn't clear yet'). The only options
were 'decide now' (premature) or 'deferred(scope)' (false — the
information isn't missing, it's un-synthesized). The agent picked
deferred(scope) with a circular blocking condition (OQ-64 blocked on
OQ-55, OQ-55 needs OQ-64) because there was no honest way to say 'I
can see the pieces but I can't see the shape.'
Changes to the architect role spec:
- Add deferred(unclear) state: the pieces exist but the composition
isn't clear; resolution requires investigation (work through
examples, POC), not waiting. Has an investigation target and an
impacts field.
- Add 'Impacts' field to the OQ format: what does this block
downstream? Be specific ('blocks the first hub deployment because
the hub dials workers' not 'blocks the hub crate'). The triage
signal that makes deferral urgency visible — the field that would
have made the AlknetClient circular hedge visible.
- Add circular-reasoning guard to self-review: 'check that your
blocking condition isn't a prerequisite of the thing you're
deferring.'
- Trim anti-patterns #9-#11 (hedging synonyms catalog, ~40 lines):
detection belongs in the reviewer, not the architect's self-review.
The architect is too close to its own reasoning to see its own
circular hedges.
- Trim door-types section (30→10 lines): keep the one-paragraph
summary, cut the elaboration.
Changes to the architecture-reviewer role spec:
- Add Decision Quality (F) category: false-deferral check
distinguishing three cases — (1) hedging on a resolved decision, (2)
false deferral / circular hedge (the blocking condition is a
prerequisite of the thing being deferred), (3) legitimate deferral.
- Add Impacts Field Coverage (G) category: check that unresolved OQs
have specific impacts fields.
- Note: the Decision Quality category is often the highest-value
check on poorly-defined projects — the architect cannot self-review
it (circular reasoning is invisible from inside the circle).
Retrofit existing OQs:
- Add Impacts field to all 16 unresolved OQs (10 deferred, 6 open).
- Update OQ-63 (TlsError shape) to reflect ADR-087's client-side
addition — the error type now covers both server and client
variants.
- Move OQ-65 (WebSocket carrying channels) to alknet-http theme
(done in prior commit; this commit adds its impacts field).
- Verified: no circular reasoning found in existing deferrals. The
AlknetClient hedge (OQ-64) was the circular one; it's already
resolved by ADR-087.
45 lines
2.6 KiB
Markdown
45 lines
2.6 KiB
Markdown
# OQ-41: Stream Operators Library
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- **Origin**: [ADR-049](decisions/049-streaming-handler-for-subscriptions.md),
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[operation-registry.md](crates/call/operation-registry.md) §"OperationEnv"
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- **Status**: deferred(scope)
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- **Door type**: Two-way (additive utility library; no protocol or API-surface
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change)
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- **Priority**: low
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- **Impacts**: None — handlers produce streams today without it. Would
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reduce boilerplate in stream-transforming handlers when added.
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- **Blocked on**: A handler that needs stream operators and finds the existing
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combinators (`Box::pin(stream::iter(...))`, `async_stream::stream!`,
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`futures::stream`) insufficient. The operators library is a convenience, not
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a prerequisite for any handler.
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- **Resolution**: ADR-049 establishes that stream composition (filter, map,
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combine, window, dedupe) is a **handler-level concern**, not a protocol
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composition concern. `OperationEnv::invoke()` is request/response-only;
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stream manipulation happens at the handler level with stream operators on
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the `BoxStream<ResponseEnvelope>` the handler itself produces. The
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`@alkdev/pubsub` `operators.ts` is the prior art: 13 operators (`filter`,
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`map`, `take`, `batch`, `dedupe`, `window`, `chain`, `join`, `reduce`,
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`groupBy`, `flat`, `pipe`, `toArray`) that operate on `AsyncIterable<T>`,
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forked from graphql-yoga's subscription implementation.
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The Rust analogue — a stream-operators utility crate or module providing
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the same set of operators on `BoxStream<T>` / `impl Stream<Item = T>` — is
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a feature extension. Handlers can
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produce streams today without it (`Box::pin(stream::iter(...))`,
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`async_stream::stream!`, `futures::stream` combinators all work); the
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operators library is a convenience that reduces boilerplate for handlers
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that transform streams (filter, batch, dedupe, window). No ADR is needed
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for the library itself — it's internal utility code that doesn't cross
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crate boundaries as a contract. An ADR would be warranted only if the
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operators become part of a public API surface (e.g., a handler-registration
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DSL that references operator names).
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This OQ exists so the operators library is tracked and findable, not left
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as inline hedging in the spec docs. It is not a deferral of a decision —
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the architectural decision (stream composition is handler-level, not
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protocol-level) is made in ADR-049. This tracks the *implementation* of
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the utility library, which is scheduling work, not architecture work.
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- **Cross-references**: ADR-049,
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[operation-registry.md](crates/call/operation-registry.md) §"OperationEnv",
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`/workspace/@alkdev/pubsub/src/operators.ts` (TS prior art)
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