vygrant፦ ሁሉም ስሪቶች እና የቆዩ ስሪቶች

build：inject version via ldflags instead of hardcoding
chore：fix filename typo memmorystore → memorystore
chore：remove dead code (LoadConfigFromEnv, commented-out lines)
fix(auth)：check token store Set errors
fix(certgen)：reduce CA cert validity from 10 to 5 years
fix(client)：replace fixed 8KB buffer with ReadAll
fix(config)：return parse errors instead of silent ignore
fix(daemon)：check Set/Delete errors in command handlers
fix(daemon)：fix unreachable expired-token branch
fix(daemon)：log shutdown errors, wait for background tasks
fix(daemon)：remove InsecureSkipVerify from outbound TLS
fix(daemon)：stop busy-loop on socket accept errors
fix(storage)：RWMutex for FileStore, sentinel errors, defensive copies
fix(storage)：add mutex to KeyringStore for thread safety
fix(storage)：add mutex to PassStore for thread safety
fix(storage)：restore mutex protection in KeyringStore.Dump
fix(storage)：stop token secret leak to stdout in pass store
refactor(api)：remove pointer-to-interface anti-pattern
refactor(daemon)：extract store creation from nested if-else

build: inject version via ldflags instead of hardcoding
chore: fix filename typo memmorystore → memorystore
chore: remove dead code (LoadConfigFromEnv, commented-out lines)
fix(auth): check token store Set errors
fix(certgen): reduce CA cert validity from 10 to 5 years
fix(client): replace fixed 8KB buffer with ReadAll
fix(config): return parse errors instead of silent ignore
fix(daemon): check Set/Delete errors in command handlers
fix(daemon): fix unreachable expired-token branch
fix(daemon): log shutdown errors, wait for background tasks
fix(daemon): remove InsecureSkipVerify from outbound TLS
fix(daemon): stop busy-loop on socket accept errors
fix(storage): RWMutex for FileStore, sentinel errors, defensive copies
fix(storage): add mutex to KeyringStore for thread safety
fix(storage): add mutex to PassStore for thread safety
fix(storage): restore mutex protection in KeyringStore.Dump
fix(storage): stop token secret leak to stdout in pass store
refactor(api): remove pointer-to-interface anti-pattern
refactor(daemon): extract store creation from nested if-else