Add profile-driven runtime adapter resolution

docs/service-readiness.md

@@ -36,6 +36,29 @@ web framework binding.
 
 The default config is local and dependency-light.
 
+`RuntimeConfig.from_profile(...)` can derive this config from a
+Markitect-compatible memory profile. It reads explicit adapter declarations
+when present and also understands the first local store aliases used by the
+fixtures:
+
+- `local-graph-store` -> file-backed graph store
+- `local-event-log` -> JSONL event log
+- `markitect-context-package` -> local no-op package compiler boundary
+
+`resolve_runtime_adapters(config)` materializes the local adapter bundle. It
+supports:
+
+- in-memory or file-backed graph stores
+- in-memory or JSONL event logs
+- recording or JSONL audit sinks
+- no-op package compiler
+- disabled or in-memory semantic index
+- in-memory runtime registry
+
+External adapter modes are valid configuration values, but they must be
+supplied explicitly by the caller. The local resolver reports
+`missing_external_adapter` instead of silently replacing them.
+
 ## Health
 
 `health_report` emits: