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+# Zero-OS Builder – Persistent TODO
+
+This canonical checklist is the single source of truth for ongoing work. It mirrors the live task tracker but is versioned in-repo for review and PRs. Jump-points reference exact functions and files for quick triage.
+
+## High-level
+
+- [x] Regenerate repository function index: [scripts/functionlist.md](scripts/functionlist.md)
+- [x] Refresh NOTES with jump-points and roadmap: [docs/NOTES.md](docs/NOTES.md)
+- [x] Extend RFS design with RESP/DB-style backend: [docs/rfs-flists.md](docs/rfs-flists.md)
+- [x] Make Rust components Git fetch non-destructive: [bash.components_download_git()](scripts/lib/components.sh:72)
+- [ ] Update zinit config for "zosception" workflow: [config/zinit/](config/zinit/)
+- [ ] Add zosstorage to the initramfs (package/build/install + zinit unit)
+- [ ] Validate via minimal rebuild and boot tests; refine depmod/udev docs
+- [ ] Commit and push documentation and configuration updates (post-zosception/zosstorage)
+
+## Zosception (zinit service graph and ordering)
+
+- [ ] Define service graph changes and ordering constraints
+  - Reference current triggers:
+    - Early coldplug: [config/zinit/udev-trigger.yaml](config/zinit/udev-trigger.yaml)
+    - Network readiness: [config/zinit/network.yaml](config/zinit/network.yaml)
+    - Post-mount coldplug: [config/zinit/udev-rfs.yaml](config/zinit/udev-rfs.yaml)
+- [ ] Add/update units under [config/zinit/](config/zinit/) with proper after/needs/wants
+- [ ] Validate with stage runner and logs
+  - Stage runner: [bash.stage_run()](scripts/lib/stages.sh:99)
+  - Main flow: [bash.main_build_process()](scripts/build.sh:214)
+
+## ZOS Storage in initramfs
+
+- [ ] Decide delivery mechanism:
+  - [ ] APK via [config/packages.list](config/packages.list)
+  - [ ] Source build via [bash.components_parse_sources_conf()](scripts/lib/components.sh:13) with a new build function
+- [ ] Copy/install into initramfs
+  - Components copy: [bash.initramfs_copy_components()](scripts/lib/initramfs.sh:102)
+  - Zinit setup: [bash.initramfs_setup_zinit()](scripts/lib/initramfs.sh:13)
+- [ ] Create zinit unit(s) for zosstorage startup and ordering
+  - Place after network and before RFS if it provides storage used by rfs
+- [ ] Add smoke command to confirm presence in image (e.g., which/--version) during [bash.initramfs_validate()](scripts/lib/initramfs.sh:820)
+
+## RFS backends — implementation follow-up (beyond design)
+
+- [ ] RESP uploader shim for packers (non-breaking)
+  - Packers entrypoints: [scripts/rfs/pack-modules.sh](scripts/rfs/pack-modules.sh), [scripts/rfs/pack-firmware.sh](scripts/rfs/pack-firmware.sh)
+  - Config loader: [bash.rfs_common_load_rfs_s3_config()](scripts/rfs/common.sh:82) → extend to parse RESP_* (non-breaking)
+  - Store URI builder (S3 exists): [bash.rfs_common_build_s3_store_uri()](scripts/rfs/common.sh:137)
+  - Manifest patching remains:
+    - Stores table: [bash.rfs_common_patch_flist_stores()](scripts/rfs/common.sh:385)
+    - route.url: [bash.rfs_common_patch_flist_route_url()](scripts/rfs/common.sh:494)
+- [ ] Connectivity checks and retries for RESP path
+- [ ] Local cache for pack-time (optional)
+
+## Validation and boot tests
+
+- [ ] Minimal rebuild after zinit/units/edit
+  - Helper: [scripts/rebuild-after-zinit.sh](scripts/rebuild-after-zinit.sh)
+- [ ] Validate contents before CPIO
+  - Create: [bash.initramfs_create_cpio()](scripts/lib/initramfs.sh:691)
+  - Validate: [bash.initramfs_validate()](scripts/lib/initramfs.sh:820)
+- [ ] QEMU / cloud-hypervisor smoke tests
+  - Test suite: [bash.testing_run_all()](scripts/lib/testing.sh:299)
+- [ ] Kernel embed path and versioning sanity
+  - Embed config: [bash.kernel_modify_config_for_initramfs()](scripts/lib/kernel.sh:130)
+  - Full version logic: [bash.kernel_get_full_version()](scripts/lib/kernel.sh:14)
+
+## Operational conventions (keep)
+
+- [ ] Diagnostics-first changes; add logs before fixes
+- [ ] Absolute path normalization respected
+  - Normalization: [scripts/lib/common.sh](scripts/lib/common.sh:244)
+
+Notes
+- Keep this file in sync with the live tracker. Reference it in PR descriptions.
+- Use the clickable references above for rapid navigation.
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