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Recon Service Migration Spec

Status​

Approved

Date​

2026-04-22

Goal​

Migrate the SMS automation and reconciliation capability from servers/middle_server into servers_v2 as a dedicated owned domain, while keeping back-office behavior and external-facing admin compatibility stable.

Scope​

In scope:

  • Pushbullet device management
  • SMS phone whitelist management
  • recharge SMS template management
  • AI-assisted regex generation for templates
  • SMS ingestion and task progression
  • missing-SMS backfill
  • Telegram SMS ingestion
  • manual SMS review APIs
  • automatic order matching
  • admin top-info integration for SMS pending counts
  • admin compatibility routes and legacy auth compatibility
  • dedicated worker loops and production-grade health checks

Out of scope:

  • direct money mutation inside recon
  • unifying admin traffic under gateway in this phase
  • redesigning all old shooter data into a new schema before compatibility is proven
  • a dedicated autonomous retry/compensation worker loop beyond the current manual SMS reset flow

Background​

middle_server is currently mixing:

  • back-office account compatibility
  • content/config support
  • SMS reconciliation workflows
  • websocket top-info aggregation
  • catch-all forwarding behavior

The SMS reconciliation block is large enough to become its own owned domain in servers_v2.

Compatibility Requirements​

The following back-office paths must remain externally stable during migration:

  • /api/admin/pushbullet/list
  • /api/admin/pushbullet/add_device
  • /api/admin/pushbullet/delete
  • /api/admin/shooter/template/recharge/list
  • /api/admin/shooter/template/recharge/add
  • /api/admin/shooter/template/recharge/delete
  • /api/admin/shooter/phone/list
  • /api/admin/shooter/phone/add
  • /api/admin/shooter/phone/delete
  • /api/admin/shooter/sms/list
  • /api/admin/shooter/sms/get
  • /api/admin/shooter/sms/reset
  • /api/admin/shooter/sms/check
  • /api/admin/shooter/device/list
  • /api/admin/shooter/device/trust
  • /api/admin/shooter/device/delete

Compatibility behaviors that must be preserved:

  • bo/admin continues to call admin_service, not recon_service
  • legacy admin token and session checks remain enforced at admin_service
  • successful legacy responses continue to refresh the Authorization response header
  • old status/msg/data envelopes remain stable for compatibility routes
  • sms_need_check_cnt remains available in back-office top-info
  • ShooterDevicesView compatibility is absorbed by v2 even though the menu is currently dormant

Ownership​

  • admin_service
    • back-office edge
    • legacy auth/session compatibility
    • compatibility adapters for /api/admin/shooter/* and /api/admin/pushbullet/*
    • top-info aggregation
  • recon_service
    • owned HTTP API for reconciliation domain state
    • domain data reads and writes
    • template, whitelist, message, and review state transitions
  • recon_worker
    • Pushbullet listeners
    • Telegram ingestion
    • missing-message sync
    • parse and match loops
    • secure admin top-info refresh signaling
  • wallet_service
    • final money writes only

Data Strategy​

Phase 1 should preserve compatibility by reusing existing shooter-oriented tables or their exact semantics:

  • shooter_pushbullet
  • shooter_sms
  • shooter_phone
  • shooter_template_recharge
  • shooter_device

Schema cleanup or renaming can happen after the compatibility cutover is proven.

The audited legacy inventory and hidden compatibility dependencies are documented in:

  • docs/reference/recon/middle-server-recon-inventory.md
  • docs/reference/recon/recon-service-v2-surface.md

Admin and Approval Flow​

/api/admin/shooter/sms/check should continue to behave like a reconciliation review action:

  • persist checker
  • optionally persist matched order_id
  • update review/task state

It should not directly perform the final money mutation. Final approval remains a wallet-owned flow through admin_service and wallet_service.

Worker Health Requirements​

recon_worker must not report healthy only because the process is still alive.

Each critical loop must publish freshness from successful progress, not just heartbeat ticks:

  • Pushbullet listener progress
  • missing-SMS sync
  • Telegram ingestion
  • SMS ID sync
  • whitelist validation
  • template parsing
  • order matching

If a critical loop keeps failing without fresh success beyond its defined TTL, the worker must become unhealthy.

Observability​

Required signals:

  • per-loop last-success timestamp
  • per-loop consecutive failure count
  • top-info pending SMS count
  • unmatched SMS count
  • duplicate SMS count
  • parse failure count
  • match failure count

Required logging:

  • structured error logs including loop name and message id or device id
  • warnings when compatibility routes cannot reach recon_service
  • explicit alerts when worker freshness thresholds are exceeded

Implemented v2 Surface​

The implemented v2 route mapping, compose topology, env contract, worker loops, and verification commands are documented in:

  • docs/reference/recon/recon-service-v2-surface.md

Device Compatibility Decision​

/shooter/device/* is classified as recon compatibility scope.

Even though the route family is not mounted in legacy middle_server, the bo/admin codebase still contains the dependency. servers_v2 must therefore implement device compatibility endpoints through admin_service and recon_service so the dormant UI cannot become a hidden regression during or after cutover.

Acceptance Criteria​

  • bo/admin can keep using existing shooter/pushbullet paths without directly calling recon_service
  • legacy admin auth and response-header refresh still work on compatibility routes
  • recon worker health goes red when critical loops stall through repeated failures
  • sms_need_check_cnt appears in admin top-info after integration
  • manual review writes review state without bypassing wallet ownership
  • device compatibility routes are served and contract-tested
  • compatibility contract tests, worker health tests, and compose tests all pass

Required Tests​

  • admin_service compatibility route contract tests
  • legacy auth/session tests on recon compatibility endpoints
  • recon_client timeout/retry/circuit-breaker tests
  • recon_service template/whitelist/message API tests
  • recon_worker freshness health tests
  • admin top-info aggregation tests
  • compose healthcheck and dependency tests for recon_service and recon_worker