fix(manifest): auto-fix generated artifact checksum drift

Detected by check-manifest-drift.sh.
Regenerated installer and web generated artifacts via `bun run generate`
to sync ACFS_MANIFEST_SHA256 and internal checksums with source files.

Author: Dicklesworthstone

scripts/generated/internal_checksums.sh

@@ -15,7 +15,7 @@ declare -gA ACFS_INTERNAL_CHECKSUMS=(
   [scripts/lib/doctor_fix.sh]="31a44ab36fe980d5c41edc6d25d88280f6d8d6bd1abc40ecac1a8e3e74bb864c"
   [scripts/lib/offline_artifact_pack.sh]="5f6fa7e5a9e115904656a627853b2c7d556183532a3d8fd42a0363bf3570c7eb"
   [scripts/lib/autofix.sh]="0468d4889d304a404f161778ddf393a71fa7657317f88f692a47442760ed78d9"
-  [scripts/lib/install_helpers.sh]="784b0b500cb689f7fcf3d02ed01c65359b144c67f6e17c29ae149e72756bfbef"
+  [scripts/lib/install_helpers.sh]="537cdb2a326877fd37869ce94d4f2074eec69cd20bb71e627235fe51cc9eec3f"
   [scripts/lib/logging.sh]="890d8e6e44332bede591e462b277a903ae8d8679adebd8cc4fc76face078f6be"
   [scripts/lib/state.sh]="76e29a1a9e66d3576ddcb3875ec5bbe366ecedec11ab243d574eeec2995ff20b"
   [scripts/lib/session.sh]="8a2ab64a67006c62ac0db8d89ea6d71d160f3f2efd2cb99ffe6ea0857abde3e5"