Update README: mark FIXMEs as resolved

CLAUDE.md

@@ -1,5 +1,10 @@
 # Important Rules
 
+* when fixing a bug, write a failing test FIRST.  only after the test fails, write
+  the code to fix the bug.  then ensure the test passes.  leave the test in
+  place and commit it with the bugfix.  don't run shell commands to test
+  bugfixes or reproduce bugs.  write tests!
+
 * never, ever mention claude or anthropic in commit messages.  do not use attribution
 
 * after each change, run "make fmt".

README.md

@@ -365,7 +365,7 @@ The manifest file would do several important things:
 
 - [x] **Add unit tests for `internal/checker`** - 88.5% coverage.
 - [x] **Add unit tests for `internal/scanner`** - 80.1% coverage.
-- [ ] **Clean up FIXMEs in manifest.go** - Validate input paths exist, validate filesystem.
+- [x] **Clean up FIXMEs in manifest.go** - Validated input paths, validated filesystem, added context cancellation.
 - [x] **Validate input paths before scanning** - Fails fast with clear error if paths don't exist.
 
 # Open Questions

TODO.md

@@ -1,33 +0,0 @@
-# TODO for 1.0 Release
-
-## High Priority
-
-- [ ] **Fix panic in log.go** - `internal/log/log.go:141` has a `panic("unable to get logger")` that should return an error or handle gracefully instead.
-
-- [ ] **Clean up FIXMEs in manifest.go** - Multiple FIXMEs need attention:
-  - Line 67: Validate input paths exist before processing
-  - Line 77: Add validation for filesystem input
-  - Line 163: Avoid redundant stat calls
-  - Line 182: Add context support for cancellation
-
-- [ ] **Fix WriteToFile overwrite behavior** - `mfer/output.go:9` has FIXME to refuse overwriting without `-f` flag.
-
-- [ ] **Consolidate legacy manifest code** - `mfer/manifest.go` has old scanning code (`Scan()`, `addFile()`) that duplicates the new `internal/scanner` + `mfer/builder.go` pattern. Remove duplication.
-
-## Medium Priority
-
-- [ ] **Add unit tests for `internal/checker`** - Currently has no test files; only tested indirectly via CLI tests.
-
-- [ ] **Add unit tests for `internal/scanner`** - Currently has no test files.
-
-- [ ] **Add context cancellation to legacy code** - The old `manifest.Scan()` doesn't support context cancellation; the new scanner does.
-
-- [ ] **Validate input paths before scanning** - Should fail fast with a clear error if paths don't exist.
-
-- [ ] **Add resume support for fetch** - Allow resuming partial downloads using HTTP Range requests and existing temp files.
-
-## Lower Priority
-
-- [ ] **Add manifest signature support** - Implement signing and verification using signify or similar.
-
-- [ ] **Improve error messages** - Ensure all error messages are clear and actionable.