Implements docs/superpowers/specs/2026-05-31-storage-settings-growing-smb-design.md.
1. Storage warning banner at the top of Settings → Storage (set-once /
path-change-corrupts-data warning).
2. Growing-files SMB credentials + system CIFS mount (Approach A):
- settings.js: new global keys growing_smb_mount / growing_smb_username /
growing_smb_vers; growing_smb_password is write-only (GET returns only
growing_smb_password_exists; growing_smb_password_clear:true removes it).
- GrowingSettingsCard: SMB mount/username/password (masked, "saved" state) +
CIFS version fields.
- capture Dockerfile: add cifs-utils + util-linux.
- capture-manager: on growing start, mount //host/share at /growing using a
root-only credentials file (creds never on the command line); unmount on
stop; mount failure falls back to S3 streaming so a recording is never lost.
- recorders.js: pass GROWING_SMB_* env; don't host-bind /growing when a CIFS
mount is configured (an empty mountpoint is required).
3. Per-recorder growing mode (global toggle removed):
- Removed the global "capture writes to local SMB share first" checkbox; the
growing card is now SMB-infrastructure-only.
- recorders.js reads the per-recorder recorders.growing_enabled column
(already present from migration 014) instead of the global setting;
RECORDER_FIELDS += growing_enabled.
- New-recorder modal: "Growing-files mode" toggle.
- storage.js overview: "enabled" now means the SMB landing zone is configured
(mount source set), surfaced as smb_mount; health strip labels updated.
No DB migration required (recorders.growing_enabled exists; new settings are
key/value rows).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Zac Gaetano
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