Kyle Isom 6fd81cacf2 Add master core: deploy, undeploy, status, placement, DNS ...

Master struct with Run() lifecycle following the agent pattern exactly:
open DB → bootstrap nodes → create agent pool → DNS client → TLS →
auth interceptor → gRPC server → signal handler.

RPC handlers:
- Deploy: place service (tier-aware), forward to agent, register DNS
  with Tailnet IP, detect public routes, validate against allowed
  domains, coordinate edge routing via SetupEdgeRoute, record placement
  and edge routes in master DB, return structured per-step results.
- Undeploy: undeploy on worker first, then remove edge routes, DNS,
  and DB records. Best-effort cleanup on failure.
- Status: query agents for service status, aggregate with placements
  and edge route info from master DB.
- ListNodes: return all nodes with placement counts.

Placement algorithm: fewest services, ties broken alphabetically.
DNS client: extracted from agent's DNSRegistrar with explicit nodeAddr
parameter (master registers for different nodes).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-02 15:39:46 -07:00

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