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0.2.0 (2026-05-13)

⚠ BREAKING CHANGES

• main: require postgresql 18 baseline
• backend: remove host tool ensure jobs, endpoints, and settings
• backend: unify verification node lifecycle (#187)
• backend: appium desired-state phase 6 — final cleanup (#179)
• backend: Run claim retry and TTL settings are removed with the claim API.
• backend: Run claim, release, and release-with-cooldown endpoints are removed.
• backend: RunState.ready is removed. The ready endpoint now activates runs.
• backend: Reserved device payloads no longer include claim fields.
• backend: DeviceReservation claim columns are removed.
• backend: drop appium node state column (#170)
• backend: clients sending {drain: true|false} to /api/devices/ {id}/maintenance, /api/devices/bulk/enter-maintenance, or the group bulk equivalent must drop the field. The enter-maintenance behaviour is unchanged from drain=false (always stop the node).
• remove device_config secret masking (#104)
• backend: scope Appium port selection to the target host (#102)
• backend: split device availability_status into operational_state + hold (#87)
• backend: derive device health summary on read (#78)
• typed Appium resource claims + structured agent errors (#77)

Features

• add reservation claim release api (2390223)
• agent: enforce optional http basic auth on backend->agent calls (#100) (00f985e)
• backend,testkit: recreate run device cooldown api (fccfbc7)
• backend: add /api/devices/{id}/test_data endpoints (4e48f0c)
• backend: add appium node desired-state schema (#163) (b64ee2e)
• backend: add appium node grid run id columns (5a6e75e)
• backend: add appium node grid run id fields (ef6c627)
• backend: add appium reconfigure client (9d6ac7c)
• backend: add desired grid run id writer (1990221)
• backend: add device intent registry schema (9ca910f)
• backend: add device lookup by connection target (fc93a6e)
• backend: add device test_data audit log model (f025bd5)
• backend: add device.test_data column and audit log table (df50cea)
• backend: add grid node reregister agent operation (93c9736)
• backend: add grid node run id reconciler (17e6085)
• backend: add intent registration service (1d76b05)
• backend: add test_data payload schema with size cap (aac4c7b)
• backend: add test_data_service with audit log and event (dcb8d94)
• backend: adopt PostgreSQL 18 primitives (#206) (46152a5)
• backend: allow ?include=test_data on reserve and claim (9105b5b)
• backend: collapse run ready state (0d91579)
• backend: converge appium desired state via reconciler (70bc7a8)
• backend: converge appium desired state via reconciler (4ca1558)
• backend: device state model drift fixes (D1-D6) (#144) (09556fd)
• backend: drop appium node state column (#170) (d0337d6)
• backend: drop device reservation claim columns (5e89e35)
• backend: drop device reservation claim fields (6536918)
• backend: dual-write appium desired-state writers (#164) (160dc5a)
• backend: escalate device to maintenance after N cooldowns in same run (#121) (7fe01f7)
• backend: evaluate device orchestration intents (d2c6282)
• backend: expose device tags as grid capabilities (c5ab200)
• backend: expose orchestration intent state (5fcdb2a)
• backend: fence leader-owned writes against stale leadership (#105) (cca5c17)
• backend: heartbeat diagnostic + resilience phase A (#135) (4c3a341)
• backend: introduce DeviceStateMachine for operational/hold transitions (#152) (4cee1a5)
• backend: leader-failover latency via heartbeat and watcher (#91) (bf2ea4a)
• backend: map device.test_data column on device model (5b85f59)
• backend: migrate background orchestration to intents (09581e3)
• backend: migrate operator orchestration to intents (c15ef0a)
• backend: migrate run orchestration to intents (78b5148)
• backend: orphan-reaping appium reconciler (phase 1) (#161) (c1659a5)
• backend: per-host httpx pool for backend→agent calls (#89) (6a1ed6e)
• backend: reconcile device orchestration intents (354f647)
• backend: recreate run device cooldown endpoint (39b7d91)
• backend: register test_data.updated public event (0da64fe)
• backend: remove host tool ensure jobs, endpoints, and settings (75b2051)
• backend: remove obsolete run claim settings (5910221)
• backend: remove run claim and release api (0d6a5a7)
• backend: richer allocation payload with include=config,capabilities (#94) (4b44bad)
• backend: run grid node run id reconciler loop (d56730e)
• backend: scope Appium port selection to the target host (#102) (5be5562)
• backend: send orchestration metadata in appium starts (7eaff4f)
• backend: sweep device test_data audit log in data_cleanup (03e49fa)
• backend: unify verification node lifecycle (#187) (1d1e7d8)
• backend: write desired grid run id during run flow (e627175)
• frontend: derive types from backend openapi schema (#162) (80be9a7)
• main: add device orchestration intent registry (b42b3d4)
• main: add optional icmp ping health check for usb devices with saved ip (#143) (afda5ce)
• main: require postgresql 18 baseline (d43fd18)
• main: split device test_data from device_config + modal portal (b5d0fa0)
• remove host tool ensure/version management (#190) (b2562c1)
• testkit: add run-scoped device cooldowns (#54) (6163dc9)
• testkit: support tag-based device targeting (db0d0e3)

Bug Fixes

• agent: release adapter-owned doctor refactor (#165) (f3ae257)
• agent: trigger release for port conflict cleanup (6a561ca)
• backend,agent: close 52 codeql alerts (#115) (05190ac)
• backend: add lifecycle_run_cooldown_set to deviceeventtype enum (#57) (43e0fda)
• backend: address cooldown review findings (c5745ee)
• backend: avoid password taint in session tokens (#120) (dbbb250)
• backend: backfill active run start during session sync (5179d32)
• backend: bound agent reconfigure outbox retries (ce2bbdc)
• backend: clamp test_data history limit and emit cleanup count (35516d1)
• backend: clear lifecycle suppression on manual node restart (#159) (ef72f0d)
• backend: clear maintenance-driven recovery suppression on exit (#141) (ffe98a1)
• backend: clear stale reconciler start-failure metadata on node start (#207) (226762c)
• backend: clear stale stop_pending on every session-end path and recover healthy devices (#71) (0dc6ed5)
• backend: close 9 device-state race conditions via row locks (#14) (5c41c6c)
• backend: close appium reconciler edge cases (af5ae67)
• backend: close appium reconciler review gaps (6ef4f4b)
• backend: close AppiumNode row-write race family (#22) (0fdb551)
• backend: converge node restart immediately (#188) (33f9fef)
• backend: de-flake ci tests and silence suite warnings (#160) (15e7f6b)
• backend: defer availability flip until retained-node restart succeeds (#15) (d7ca20e)
• backend: do not clear desired_grid_run_id on cooldown (bba2f8d)
• backend: do not restart node on cooldown expiry when auto_manage is off (56f38bc)
• backend: do not restart node on cooldown expiry when device is in maintenance (3ce4c6c)
• backend: eliminate breaker false-positives on slow pack adapter endpoints (#139) (c4ea895)
• backend: filter legacy appium host capability (625b57c)
• backend: gate ready_operational_state on combined health (#137) (cb90464)
• backend: guard auto-recovery against active cooldowns (6298517)
• backend: harden appium reconciler convergence (27a3d56)
• backend: harden intent and reconfigure edge cases (5c3bb1a)
• backend: harden intent reconciliation semantics (c6da63c)
• backend: hold device row lock inside mark_node_started / mark_node_stopped (#18) (78579f6)
• backend: lock device row before availability writes in update_device + retain_verified_node (#17) (cf4f5d7)
• backend: lock device rows before offline write in heartbeat _check_hosts (#26) (5c7eea5)
• backend: mark device busy on claim to close chip race (#138) (7b2f966)
• backend: node state split-brain on operator stop (#63) (0de7a88)
• backend: preserve desired_port when restarting node after cooldown expiry (d002123)
• backend: prevent backend test hangs (6bd0760)
• backend: reconcile doctor rows per posted pack, not per posted doctor entry (#167) (d724d86)
• backend: refresh pooled agent http client on tuning setting change (#90) (82924e9)
• backend: retry pending agent reconfigures (5aec469)
• backend: route verification_passed to available, not offline (#189) (a0ddd6a)
• backend: share httpx async client in grid_service and session_viability (#149) (d9d9287)
• backend: skip released reservations in cooldown expiry scan (fbf2133)
• backend: stop appium node during cooldown and restore after ttl expiry (29cdc23)
• backend: stop auto-escalating to maintenance on health/connectivity failures (#142) (9ca4a90)
• backend: stop node atomically during cooldown under run lock (2ea4eaa)
• backend: stop transient agent blips from flapping device health (#61) (a58c8e5)
• backend: sync grid run id on lifecycle exclusion (7e3ac44)
• backend: type session viability checked_by via shared enum (63ba5dc)
• backend: unblock session_sync on duplicate running rows and restore busy on stale claim sweep (#140) (b066ec1)
• backend: update host capability normalizer test (681377f)
• backend: wrap test_data hydration in try/except for parity with config (1347468)
• docker: let selenium hub resolve host gateway (#136) (fed0cfd)
• frontend,backend: show busy chip when reserved device runs session (#134) (04c62f4)
• frontend: update verification stage label from 'start temporary node' to 'start appium node' (a0ddd6a)
• idempotent device release after lifecycle cleanup (#12) (7a98a5d)
• main: satisfy intent registry verification (5b0a097)
• preserve masked device config secrets (bc5aead)
• restore busy devices on force release (9b8c2a6)
• stabilize device verification lifecycle (a95df85)

Dependencies

• deps-dev: bump types-pyyaml in /backend (#125) (db2bd2e)
• deps-dev: bump types-pyyaml in /backend (#185) (d3051e9)
• deps: bump mako from 1.3.11 to 1.3.12 in /backend (03c634a)
• deps: bump mypy in /agent (#195) (1317e59)
• deps: bump pydantic-settings in /agent (#182) (a6abb83)
• deps: bump python-multipart in /backend (#184) (93a4963)
• deps: bump sse-starlette in /backend (7f815c7)
• deps: bump sse-starlette in /backend (#196) (c0eef40)
• deps: bump sse-starlette in /backend (#204) (f3fc52b)

Documentation

• docs: document discriminated-union release-with-cooldown response (7fe01f7)

Code Refactoring

• backend: appium desired-state phase 6 — final cleanup (#179) (c97ae99)
• backend: derive device health summary on read (#78) (10078ef)
• backend: split device availability_status into operational_state + hold (#87) (1b329d3)
• remove device_config secret masking (#104) (7329a31)
• typed Appium resource claims + structured agent errors (#77) (9bfbc30)

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