docs: add documentation for me, related, and init --refresh commands

Update CLAUDE.md and README.md with documentation for recently added
features:

CLAUDE.md:
- Add robot mode examples for `lore --robot related`
- Add example for `lore --robot init --refresh`

README.md:
- Add full documentation section for `lore me` command including all
  flags (--issues, --mrs, --mentions, --activity, --since, --project,
  --all, --user, --reset-cursor) and section descriptions
- Add documentation section for `lore related` command with entity mode
  and query mode examples
- Expand `lore init` section with --refresh flag documentation explaining
  project registration workflow
- Add quick examples in the features section
- Update version number in example output (0.9.2)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CLAUDE.md

@@ -652,6 +652,13 @@ lore --robot me --user jdoe
 lore --robot me --fields minimal
 lore --robot me --reset-cursor
 
+# Find semantically related entities
+lore --robot related issues 42
+lore --robot related "authentication flow"
+
+# Re-register projects from config
+lore --robot init --refresh
+
 # Agent self-discovery manifest (all commands, flags, exit codes, response schemas)
 lore robot-docs