docs: v0.99.0 — CHANGELOG/CONTEXT/REUSE/README for the restore-path fixes (F1/F3/O4)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PSK5g6qYLknKj8u3QAFEr6

REUSE.md

@@ -67,7 +67,8 @@
 | `resolveContainerState` / `aggregateState` | controller/internal/stacks/manager.go | `(dockerState, dockerStatus)` / `([]ContainerInfo)` | State classification | `.State` says "running" even when unhealthy — `.Status` parse is the fix |
 | `Manager.logPostStartStatus` | controller/internal/stacks/manager.go | `(name, stackDir, env)` | Async post-start verification | compose up exits 0 on crash-loops; this is the detection. Goroutine + 3s, never blocks |
 | `Manager.EnsureBaseStack` | controller/internal/stacks/infra.go | `() error` | Traefik/cloudflared/FileBrowser infra convergence | Renders from `internal/infra` templates |
-| `backup.Manager.DumpAppVolumesSafe` | controller/internal/backup/backup.go | `(stackName) error` | Volume tar of a live app | Stops → dumps → restarts; surfaces BOTH errors (app may be left stopped) |
+| `backup.Manager.DumpAppVolumesSafe` | controller/internal/backup/backup.go | `(stackName) error` | Volume tar of a live app | Stops → dumps → restarts; surfaces BOTH errors (app may be left stopped). Check `GetDockerVolumes()!=0` + `IsProtectedStack` BEFORE calling — it stops the stack before its own volume check (see `runVolumeDumps`) |
+| `backup.Manager.ListRestorePoints` | controller/internal/backup/restore_points.go | `(stackName) ([]RestorePoint, bool)` | Restorable keep-side backups (the /api/backup/snapshots payload) | ONE point per app (the current unit); tier always 1 — never list Tier-2 (not restorable via /backup/restore) |
 | `Manager.acquireRunning`/`releaseRunning`, `acquireMigrating` | controller/internal/backup/backup.go, controller/internal/stacks/migrate.go | `() error` | Single-flight for long ops | Copy this mutex-flag pattern for any new long-running manager op |
 
 ### Secrets hygiene
@@ -78,6 +79,7 @@
 | `crypto.LoadOrCreateKey` | controller/internal/crypto/crypto.go | `(path) ([]byte, error)` | The 32-byte key file (0600) | — |
 | `SaveAppConfig` / `LoadAppConfigDecrypted` | controller/internal/stacks/deploy.go | `(stackDir, cfg, encKey, sensitiveVars)` | app.yaml persistence | Encrypts only `SensitiveEnvVars(meta)`; never write app.yaml directly |
 | `generateValue` / `randomAlphanumeric` | controller/internal/stacks/deploy.go | `(spec "password:N\|hex:N\|base64key:N\|static:v")` | Auto-generated secrets | crypto/rand-backed; reuse the spec grammar |
+| `Manager.GenerateSecretForField` | controller/internal/stacks/deploy.go | `(stackName, envVar) (string, bool)` | Replacement value for a RESETTABLE secret from its catalog `generate` spec (O4 restore path via `backup.SetSecretGenerator`) | REFUSES `data_key` fields, spec-less and non-secret fields; never log the value |
 | `reconcileRestoreSecrets` | controller/internal/backup/restore_unit.go | `(nonSecretEnv, recoveredSecrets, secretNames, dataKeyNames)` | Recovery-unit restore env merge | Units are secret-FREE by design; secrets come from live app.yaml |
 | `EncryptFile` / `DecryptFile` / `IsEncryptedFAB` | controller/internal/appexport/crypto.go | password-based file crypto | .fab export bundles | scrypt-derived AES+HMAC keys |
 | `maskRepoURL` | controller/internal/sync/sync.go | `(url) string` | Logging git URLs | Strips embedded credentials |
@@ -174,6 +176,8 @@
 | `integrations.Handler` + `StackProvider` | controller/internal/integrations/integrations.go + manager.go | OnlyOffice handlers | table-driven tests in package |
 | `bootstrap.PullFunc` | controller/internal/bootstrap/bootstrap.go | `report.PullConfig` | injected in bootstrap tests |
 | `offboxRunner` (func) | controller/internal/backup/offbox.go | `defaultOffboxRunner` (restic exec) | `SetOffboxRunner` injection point |
+| `dumpVolumesSafe` (func seam) | controller/internal/backup/backup.go | nil → real `DumpAppVolumesSafe` | injected in controller/internal/backup/volume_dumps_test.go (gating tests without Docker) |
+| `generateSecret` (func seam) | controller/internal/backup/backup.go | `stacks.Manager.GenerateSecretForField` via `SetSecretGenerator` (main.go) | injected in controller/internal/backup/restore_secrets_gen_test.go |
 
 Cross-repo edges:
 - `controller/internal/agentapi/client.go` ↔ **felhom-agent** local API (`/storage`, `/disks*`, `/backup*`, `/netstorage*`, `/guest/*`): pinned leaf SHA-256 + per-guest bearer token from bootstrap.json.
@@ -205,6 +209,6 @@ Cross-repo edges:
 | CSRF ×2 | controller/internal/web/csrf.go (session HMAC) vs controller/internal/setup/csrf.go (cookie double-submit) — intentional (pre-auth wizard) but unlabeled |
 | Budapest timezone loader ×2 | controller/internal/scheduler/scheduler.go `getBudapestLocation` vs controller/internal/web/funcmap.go `getTimezone` |
 | JSON writers ×5, 3 envelope shapes | api `writeJSON`; web `writeDiskJSON`, `jsonResponse`/`jsonError`, `writeDebugJSON` |
-| Safe-name validators ×3 | controller/internal/web/validate.go `validStackName`; controller/internal/backup/offbox.go `isSafeStackName`; controller/internal/appexport/validate.go `ValidateSegment` (strictest) |
+| Safe-name validators ×4 | controller/internal/web/validate.go `validStackName`; controller/internal/api/router.go `validStackParam` (same body — api↔web import cycle); controller/internal/backup/offbox.go `isSafeStackName`; controller/internal/appexport/validate.go `ValidateSegment` (strictest) |
 | DB wait/import ×2 | controller/internal/appbackup/dbdump.go `waitDBReady`/`ImportDump` vs controller/internal/appexport/restore.go `waitForDB`/`importDBDump` |
 | compose exec ×2 | controller/internal/stacks/manager.go `composeExecCustomEnv` vs controller/internal/appexport/restore.go `composeExecEnv` (the latter has ctx+timeout; the former has the userdata belt) |