Add individual Alcotest test files for ocaml-atp (tid, handle, did, nsid,
record_key, at_uri, mst, car, block_map, blockstore, dagcbor, cid, blob_ref,
eio_error, lex, repo_key, varint), hermest (codegen_jsont, emitter,
lexicon_types, scc), standard-site, tangled, xrpc, xrpc-auth, and bloom.
Fix catch-all exception handlers (E105), redundant function prefixes (E331),
and expose parse functions in ocaml-arp for testability.

- License -> Licence
- color -> colour (in prose, not API/code)
- behavior -> behaviour
- analyze -> analyse
- organized -> organised
- Remove marketing buzzwords (leveraging)
- Remove emojis from prose

Convert all packages from:
(source (uri https://tangled.org/handle/repo))
to:
(source (tangled handle/repo))

This uses dune 3.21's native tangled support for cleaner source
declarations. Also removes redundant homepage/bug_reports fields
that are auto-generated from tangled sources.

- precommit: Move directory column first as primary key
- ocurl: Add Tty.Table for HTTP headers display
- oci: Replace PrintBox with Tty.Table for image listing
- agent: Add Tty.Table for TODO list display with colored status

All CLI tools now use the tty library for tables, providing
consistent styled output across the monorepo.

Fix monopam warnings about missing source stanzas and ca-certs parse error.

ocaml-sle: Add tests and fuzz tests