[codex] Replace wiptype with bamltype and vendor facet

[darinkishore]

Summary

This PR migrates the in-progress typed schema integration from the temporary wiptype path to a first-class bamltype/bamltype-derive implementation, vendors the Facet crates required for reflection, and wires the DSRs runtime + macros to the new typed contracts.

User impact

Typed prompt/schema generation and parsing now run through the new bamltype bridge and Facet-backed conversion path, with parity tests and UI diagnostics in place. This improves correctness and keeps macro/runtime contracts aligned for downstream users.

Root cause

The prior implementation lived in a temporary wiptype track and relied on intermediate compatibility behavior while schema/rendering/parsing semantics were still shifting. That left the integration split across temporary crates and ad-hoc fixes.

What changed

• Added new crates: crates/bamltype, crates/bamltype-derive.
• Updated crates/dspy-rs and crates/dsrs-macros to consume the new typed bridge and attributes.
• Added/updated contract, integration, and UI compile-fail tests around schema generation, parsing, and macro behavior.
• Vendored required Facet crates under vendor/facet* and integrated them as path dependencies.
• Updated vendored BAML parsing/rendering behavior for real/rendered name handling.
• Added workspace ignore hygiene for profiling outputs (*.profraw) and workspace dirs.

Validation

• cargo test -p dspy-rs --tests
• cargo test -p bamltype --tests
• cargo test -p dsrs_macros --tests

Notes

• Local-only handoff/planning artifacts and generated .profraw files were removed from the PR scope.