docs: document the redacted resolved-configuration log in the non-container guide (E00-S04-T03)

docs/development/non-container.md

@@ -15,9 +15,9 @@ The workspace is a pnpm monorepo with three package groups:
 
 | Group | Path | Purpose |
 | --- | --- | --- |
-| `apps/` | `apps/server` (`@personal-blog/server`) | Public server application. Serves the application health endpoint (E00-S02-T03) gated on the startup migration run (E00-S03-T06), and fails fast at startup with a field-specific error when a required setting is missing (E00-S04-T02); the Fastify 5 application shell lands in a later story. |
+| `apps/` | `apps/server` (`@personal-blog/server`) | Public server application. Serves the application health endpoint (E00-S02-T03) gated on the startup migration run (E00-S03-T06), fails fast at startup with a field-specific error when a required setting is missing (E00-S04-T02), and redacts secret values from all log output (E00-S04-T03); the Fastify 5 application shell lands in a later story. |
 | `packages/` | `packages/core` (`@personal-blog/core`) | Application core (site identity, content primitives). Bootstrap placeholder. |
-| `packages/` | `packages/config` (`@personal-blog/config`) | Configuration service. Owns the TypeBox/Ajv configuration schema for the validated config fields (E00-S04-T01) and the field-specific startup error for a missing required setting (E00-S04-T02); the environment adapter (E00-S04-T04) and secret redaction (E00-S04-T03) land in later tasks. |
+| `packages/` | `packages/config` (`@personal-blog/config`) | Configuration service. Owns the TypeBox/Ajv configuration schema for the validated config fields (E00-S04-T01), the field-specific startup error for a missing required setting (E00-S04-T02) and the secret redaction layer (E00-S04-T03); the environment adapter (E00-S04-T04) and the `.env.example` template (E00-S04-T05) land in later tasks. |
 | `packages/` | `packages/database-postgres` (`@personal-blog/database-postgres`) | PostgreSQL database adapter package. Single owner of the `pg`/Kysely driver imports (E00-S03-T02); the migration ledger (`schema_migrations`, E00-S03-T03), the migration advisory lock (E00-S03-T04) and the migration runner with its failure diagnostic (E00-S03-T05) are implemented here. The server depends on this package to run the startup migrations behind its readiness gate (E00-S03-T06). |
 | `extensions/` | `extensions/example` (`@personal-blog/example-extension`) | Example extension exercising the `extensions/` group. Bootstrap placeholder. |
 
@@ -113,6 +113,12 @@ compiled application entrypoint. Three things to know:
    answers 200 `{"status":"ok"}` from the start. The real Fastify 5
    application shell — which turns this into the full serving API — lands in
    a later story; the `start` command shape stays the same once it does.
+4. Since [E00-S04-T03], the server **logs its resolved configuration at
+   startup with secret values redacted**: the first log line is
+   `[config] resolved configuration: {"host":"0.0.0.0","port":3000, ...,
+   "sessionSecret":"[REDACTED]"}`, and every log line passes through the
+   redacting logger — the admin-session secret and the password embedded in a
+   `DATABASE_URL` connection string never appear in the log output.
 
 To run the compiled output of any other workspace package directly: