36cf4f32f4
Move the triplet to implemented/architecture/, rewrite Proposal into a present-tense Decision, fold Acceptance criteria and Risks into Consequences (recording what pins the result), retitle the migration section to what the move actually touched, and repoint the seven inbound FIXME/README links.
@deepseek-ai/dsh-jsonrpc-demo
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Bin-only app that boots an external cordis.yml; its jsonrpc entry serves SDK clients over newline-delimited stdio. The config composes the spine, backends, and serving plugin. The published bin is dsh-jsonrpc-agent, and lib/bin.js also ships as the dsh-jsonrpc-agent-pkg single-executable runtime used by the Python SDK.
Config discovery
The first non-empty channel wins: $DSH_CORDIS_CONFIG, then positional argv[2]. If neither names an existing file, the bin prints one-line usage to stderr and exits 1; there is no working-directory or built-in fallback. dsh-app-boot makes plugin load failures fatal. This protocol does not use DSH_SNAPSHOT.
A config without dsh-jsonrpc is valid and serves nothing; the bin does not designate a server plugin.
Exit lifecycle
stdin EOF and SIGTERM dispose the root to quiescence and exit 0; SIGINT exits 130 after the same disposal. EOF may cut off an in-flight turn as documented in the distribution Agent Note. The jsonrpc plugin owns response-before-exit protocol shutdown; both paths are idempotent and safe to race.
stdout is the protocol
stdout carries only JSON-RPC frames. The bin and boot guards diagnose on stderr, and the config must omit stdout loggers.
Model Experience
Indirectly, through the plugins loaded from the external cordis.yml, which own every model-bound prompt, schema, message, and result; this bin adds none of its own.
KV Cache effect
No direct invalidation; the named consumer owns any request-prefix changes.
Known Limitations and Deferred Work
- The bin cannot prove that the config serves JSON-RPC — a valid config with no
dsh-jsonrpcentry boots successfully and serves nothing. - No built-in or default config exists — every launch must provide
DSH_CORDIS_CONFIGor a positional path, and deployment owns the complete plugin tree and stdout discipline. - stdin EOF cuts off in-flight work — client disappearance disposes the root immediately; callers that need orderly completion use the protocol-level
shutdownrequest.