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Implements RFC-001 P1 (the first shippable slice): deterministic Matrix presence/liveness on a single-instance dev Synapse. - infra/matrix/: DEV Synapse (RFC-002 Mode B, federation OFF, self-signed TLS, enable_registration:false, appservice registration wired). Rendered from parameterized templates — zero hardcoded topology. .data is gitignored. - packages/comms/: minimal MACP presence SDK — set presence, run the mosaic.presence heartbeat (seq + interval per RFC-001 §4.5), and a deterministic liveness reader (online/away/offline from heartbeat age, NOT native-presence-timeout). Liveness core written RED-FIRST. 19 vitest tests. - tools/matrix-presence-harness/: minimal provisioner (registers >=3 agent MXIDs, creates the fleet presence room, joins them — reuses the existing @mosaicstack/appservice intent lib) + an E2E validation harness proving A2/A3/A4 against a real Synapse. - eslint.config.mjs: register packages/comms/vitest.config.ts with the type-aware project service (same as other packages' vitest configs). DEV-compose validated only; production deploy is a separate coordinated step (deploy-holds respected). Part of the comms-evolution program (RFC-001 P1) Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_0158NZqN2n2ymKFeJAZ4GUCb
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tools/matrix-presence-harness — RFC-001 P1 validation (A1–A5)
DEV-ONLY. LOCAL SANDBOX. Drives the local
infra/matrixSynapse only. Never point it at live infra.
The dev validation harness for the presence slice. It is the minimal P1 provisioner + an end-to-end demo that proves the acceptance criteria against a real Synapse.
Pieces
provision.ts— the minimal provisioner: registers ≥3 agent MXIDs, creates the fleet presence room, joins the agents. Reuses the existing tested@mosaicstack/appserviceintent library (register / createRoom / join). It is deliberately not the P2 appservice (no auto-enroll / taxonomy / token minting).agent-proc.ts— one presence agent as its own OS process (via@mosaicstack/comms): joins the fleet room and heartbeatsmosaic.presence. Standalone so the harness canSIGKILLit for a true hard-kill (A3).validate.ts— provisions, spawns the agents, then asserts:- A2 ≥3 agents show online in the fleet room.
- A3 a
SIGKILL'd agent flips to offline withindark_threshold, deterministically (heartbeat-age based, not native-presence timeout), while survivors stay online. - A4 prints the human-readable fleet liveness board.
run.sh— wires dev secrets + env and runsvalidate.tsover the self-signed TLS endpoint (A1). Exits non-zero on any failed assertion.
Usage
../../infra/matrix/dev-up.sh # bring Synapse up first
./run.sh # provision + validate (A2/A3/A4)
Tunables (env): HEARTBEAT_INTERVAL_MS (1000), MISS_TOLERANCE (2),
DARK_THRESHOLD_MS (6000), AGENT_SLUGS (alpha,bravo,charlie),
VICTIM_SLUG (charlie), MATRIX_CS_URL (defaults to the TLS endpoint).
Note on NODE_TLS_REJECT_UNAUTHORIZED=0
run.sh sets this only because the dev homeserver uses a self-signed cert.
It is a dev convenience for exercising the SDK over TLS and must never be used
against a real CA-issued endpoint.