docs: renumber PRD 0081 -> 0083 across the reconcile chunk

Follows the base PR's renumber (0081 was already taken; main is on 0082). Update
every `PRD 0081` reference in the gateway-attach code, tests, and ADR 0006, plus
ADR 0006's link to the PRD file. No behaviour change.

Refs #516, #519.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

bot_bottle/backend/macos_container/gateway.py

@@ -112,7 +112,7 @@ class MacosGateway(Gateway):
 
         Always returns True: this recreates the gateway container unconditionally
         (a cold boot), so the caller reconciles running bottles against it
-        (PRD 0081)."""
+        (PRD 0083)."""
         self._orchestrator_url = orchestrator_url
         self._gateway_token = gateway_token
         # Fail closed on a missing policy source or token: the resolver-only data

bot_bottle/backend/macos_container/infra.py

@@ -142,7 +142,7 @@ class MacosInfraService(InfraService):
             url, orchestrator.mint_gateway_token())
         # A (re)created gateway container minted/mounted its CA afresh and lost
         # every bottle's per-bottle state; reconcile the already-running bottles
-        # against it (PRD 0081). Skipped when a healthy current gateway was left
+        # against it (PRD 0083). Skipped when a healthy current gateway was left
         # untouched — no cold boot, nothing to reconcile.
         if cold_booted:
             from .backend import MacosContainerBottleBackend

bot_bottle/backend/macos_container/infra_launch.py

@@ -99,7 +99,7 @@ def ensure_gateway(
 
 def running_agent_containers() -> list[str]:
     """Every running agent container's name — the bottles the bring-up reconcile
-    attaches to the fresh gateway (PRD 0081). Raises `EnumerationError` if the
+    attaches to the fresh gateway (PRD 0083). Raises `EnumerationError` if the
     live set can't be determined (fail hard rather than reconcile a partial
     set)."""
     return [f"{CONTAINER_NAME_PREFIX}{agent.slug}" for agent in enumerate_active()]
@@ -108,7 +108,7 @@ def running_agent_containers() -> list[str]:
 def push_ca_to_container(name: str, ca_pem: str) -> None:
     """(Re)attach one running agent container to the current gateway: replace
     its trusted gateway CA with `ca_pem` and rebuild its trust store via
-    `container cp` + `container exec` (PRD 0081). Unconditional install — there
+    `container cp` + `container exec` (PRD 0083). Unconditional install — there
     is one gateway, so no fingerprint match is needed.
 
     Fail hard: raises `InfraLaunchError` (naming the container) on any failure —