chore(develop): release 0.9.0

[mulhamna]

🤖 I have created a release beep boop

0.9.0 (2026-07-10)

Features

• app: add disconnect button to top bar (b67dcc4)
• app: add editor comment toggle (8ea6144)
• app: cancel an in-flight connection attempt (21233c4)
• app: collapse the SQL editor pane (c0f1dc9)
• app: compute per-statement line spans for editor folding (0f05232)
• app: per-statement code folding in the SQL editor (8dceecb)
• app: persist recent query history to disk (997371f)
• app: refetch table sidebar when switching schema (93dd533)
• app: rename query tabs via a modal (5d0b72c)
• app: schema switch refetch, connect cancel, tab rename, editor folding (b36306c)
• app: strip line comments per engine in query_parse (4bd6f3d)
• app: wire Cmd+/ comment toggle in editor key handler (35b091e)
• per-engine query tab, Cmd+/ comment, disconnect, history persistence (c1a73b9)

Bug Fixes

• app: keep query editor visible and typeable when empty (e3f5fb8)
• app: render engine hint as placeholder, not seeded buffer text (fefac4e)

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[mulhamna]

🤖 Created releases:

• v0.9.0

🌻