release: 0.11.0 — psql compatibility polish, describe fixes, help text cleanup

[NikolayS]

Summary

Release prep for 0.11.0. Depends on #817 merging first.

This PR is not just a version bump. It also includes user-visible psql compatibility fixes in describe commands and \? help output.

Included in 0.11.0

psql compatibility fixes

• \dO: fix collation listing compatibility across PG15–PG18
  • include pg_catalog collations when a pattern is given (for example \dO *)
  • use the correct locale columns by PG version
  • add missing output columns matching psql more closely
• \dF, \dFd, \dFp, \dFt: include pg_catalog built-ins like psql does
• \dAc: show operator class names correctly, improve pattern filtering, and add missing verbose columns

Help text (\?) fixes

• Add 5 missing describe commands: \dX, \dRp, \dRs, \drg, \ddp
• Remove stale /dba ash entry (standalone /ash, not a /dba subcommand)
• Remove stale /dba indexes entry (actual commands: unused-idx, invalid-idx, redundant-idx, missing-fk-idx)
• Add regression tests for help text coverage

Release/docs cleanup

• Cargo.toml version 0.10.2 → 0.11.0
• README.md version refs updated to v0.11.0
• README.md wording updated around psql compatibility / connect banner
• Full [0.11.0] - 2026-04-13 changelog entry
• Convert bare (#NNN) changelog references into clickable markdown links

Why 0.11.0

This release is centered on psql compatibility polish: describe-command correctness, built-in catalog visibility, output-column parity, and help text accuracy.

Test plan

• cargo test — local pass before PR creation
• cargo clippy --all-targets --all-features -- -D warnings
• cargo fmt --check
• CI rerun after PG-version fix for \dO

🤖 Generated with Claude Code

[NikolayS]

0.11.0 Manual QA Test Results

5 parallel test agents ran all new features against local PostgreSQL 18.3.

---

WASM Build — 4/4 PASS

Test	Result
cargo check --target wasm32-unknown-unknown	PASS (0 errors, 130 expected warnings)
WASM entry point (src/wasm/entry.rs)	PASS
docs/WASM.md (215 lines)	PASS
wasm/ directory (build scripts, proxy, HTML demo)	PASS

---

Welcome Banner, /plan, Help Text — 5/5 PASS

Test	Result	Notes
Welcome banner (connection info + SSL)	PASS	Shows db, user, host, port, AI status, help hint
/plan mode	PASS	Correctly prepends EXPLAIN in interactive mode
\? help text completeness	PASS	All 5 new \d commands present; stale /dba ash and /dba indexes absent
AI config hint	PASS	Shows ~/.config/rpg/config.toml when key missing
/version	PASS	Shows 0.11.0+25-c72cf4ee

---

EXPLAIN Highlighting & Compat — 4/5 PASS

Test	Result	Notes
EXPLAIN syntax highlighting	FAIL (by design)	Highlighting only active in interactive REPL, not -c mode. Same as psql (no highlighting at all). Not a regression.
standard_conforming_strings tracking	PASS	E'hello\nworld' handled correctly
Wrapped format	PASS	Byte-identical with psql
Error location prefix	PASS	rpg:file:line: matches psql pattern
NOTICE ordering	PASS	Deterministic order 1, 2, 3

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/dba & /ash — 8/8 PASS

Test	Result	Notes
/dba help	PASS	All 17 subcommands listed; no stale ash or indexes
/dba activity	PASS	8 backend processes shown
/dba config	PASS	17 non-default params
/dba bloat	PASS	0 rows (fresh DB, expected)
/dba vacuum	PASS	24 rows
/dba progress	PASS	6 categories, all empty (expected)
/ash (non-interactive)	PASS	Clean TUI enter/exit, no crash
/ash sample_timeout config	PASS	Fully wired: config → accessor → sampler, tests cover default/explicit/0/merge

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New Describe Commands — 5/13 PASS, 8/13 FAIL

The 5 commands added to help text all pass:

Command	Result
\dX (extended statistics)	PASS — matches psql exactly
\dRp (publications)	PASS — matches psql
\dRs (subscriptions)	PASS — matches psql
\drg (role grants)	PASS — matches psql
\ddp (default privileges)	PASS — matches psql

The 8 new describe commands have issues:

Command	Issue
\dP	Minor: shows non-search-path schemas; \dP+ missing "Access method" column
\dA	Minor: base mode includes extra "Handler" column (psql only shows it in \dA+)
\dAc	Significant: shows operator family names instead of operator class names; pattern filtering broken
\dO	Significant: pg_catalog collations invisible; \dO * returns 0 rows (psql: hundreds)
\dF	Significant: pg_catalog configs invisible; \dF english returns 0 rows
\dFd	Significant: pg_catalog dictionaries invisible
\dFp	Significant: pg_catalog parsers invisible; 0 rows vs psql's 1 row
\dFt	Significant: pg_catalog templates invisible; 0 rows vs psql's 5 rows

Root causes:

1. pg_catalog objects invisible (5 commands): \dO, \dF, \dFd, \dFp, \dFt — schema filtering excludes pg_catalog, which psql includes by default
2. Wrong column data (\dAc): shows operator family names instead of operator class names
3. Column set differences (\dA, \dP): extra/missing columns vs psql

These are pre-existing implementation gaps in the new describe commands, not regressions.

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Issues Filed

• fix: /slash commands silently fail with -c flag (sent to PostgreSQL as SQL) #819 — / commands silently fail with -c flag (pre-existing, not 0.11.0 specific)

Summary

Area	Passed	Failed	Total
WASM build	4	0	4
Banner / plan / help	5	0	5
EXPLAIN / compat	4	1 (by design)	5
/dba & /ash	8	0	8
Describe (help-text group)	5	0	5
Describe (new 0.11.0)	0	8	8
Total	26	9	35

The 8 describe command failures are implementation gaps in the new commands (pg_catalog visibility, column accuracy). All other 0.11.0 features work correctly.

[NikolayS]

REV review (SOC2 skipped as requested)

Overall: looks good now after the PG-version fix for \dO.

What I checked:

• release framing/title/body now match the actual content
• CI is fully green, including Integration Tests and Coverage
• \dO fix is now version-aware (PG15–16 colliculocale, PG17+ colllocale/collicurules)
• help-text cleanup matches implemented commands better
• pg_catalog inclusion changes for text-search/collation describe commands are directionally correct for psql compatibility
• \dAc change now targets operator class naming instead of operator family naming

No blocking findings from this review round.

Minor nit only (non-blocking): the doc comment above list_collations() still says Locale (PG 16+) / ICU Rules (PG 16+), but the code now correctly treats those as PG17+.

Verdict: mergeable from my side.