feat(drivers): add SQL Server driver via tiberius (#1957)

[Seha16]

Summary

• Adds a Microsoft SQL Server driver to the Linux port — crates/drivers/mssql on tiberius (pure-Rust TDS) with rustls TLS — implementing the "MSSQL via tiberius" item from ROADMAP.md. Fixes Linux: add Microsoft SQL Server driver (tiberius) #1957.
• Full core::Connection: connect (SQL auth, encryption from use_tls, trust-cert), introspection (tables / columns / indexes / FKs via sys, with PK / IDENTITY / computed / default detection), OFFSET … FETCH pagination, arbitrary + parameterized query/execute, and atomic execute_in_transaction.
• Core sql_dialect/sql_ddl gain mssql arms ([bracket] quoting, @Pn params, IDENTITY(1,1), sp_rename, ALTER COLUMN, DROP INDEX … ON, DROP CONSTRAINT); other engines are byte-for-byte unchanged. Registered in the app — the registry-driven dialog lists "SQL Server" (port 1433).

Test plan

• cargo build --workspace
• cargo test --workspace --lib (type/default/error mapping + every dialect/DDL builder)
• cargo test -p tablepro-driver-mssql --test integration -- --include-ignored against a real server — connect, introspection (PK/IDENTITY), all-types value roundtrip + @P binding, OFFSET/FETCH pagination, error mapping — 4/4 pass
• cargo fmt --all -- --check
• cargo clippy --all-targets -- -D warnings

Engine tested against: SQL Server 2022 (CU14, mcr.microsoft.com/mssql/server:2022-CU14-ubuntu-22.04).

No new UI widgets or layout — the connection dialog is registry-driven, so "SQL Server" appears automatically; no before/after screenshots apply.

Known limitations

• SQL Server authentication only (Windows/Kerberos auth is not modelled by ConnectOptions).
• Column reorder is unsupported (MySQL-only, matching existing gating); an ALTER COLUMN changing only a default is a no-op (MSSQL named-constraint management deferred).
• XML columns surface as text; one connection per session, serialized by a mutex.

[Seha16]

Testing evidence on:
Linux 7.1.4-arch1-1 SMP PREEMPT_DYNAMIC Sat, 18 Jul 2026 17:30:57 +0000 x86_64 GNU/Linux

screenrecording-2026-07-25_15-13-21.mp4

[datlechin]

Thank you