gui: Let the home window choose its height

[BenWestgate]

Closes #75.

Remove the fixed 620px default height while keeping the existing 880px default width. GTK then uses the window content’s natural height for the initial home view; longer workflow pages remain inside the existing Gtk.ScrolledWindow and the window remains resizable.

This follows GTK4’s documented default-size behavior: an unset/default height uses the window’s natural size request rather than forcing a release-specific geometry. No workflow, navigation, wallet, or secret-handling behavior changes.

Current head 38373b3 is one commit / one file on current #77 head 72b5aae.

Manual qualification: confirm the initial home view is compact and longer pages still scroll normally at the supported Tails guest resolution before freezing the GUI candidate.

Disclosure: AI assistance was used for this authorized branch-to-branch presentation fix. Human review remains required before integration.

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[BenWestgate]

AI-generated release-gate review, posted at the maintainer's request.

Code ACK d510621.

The diff removes only the fixed default_height=620; the 880px default width, navigation, page content, and scrolling hierarchy are unchanged. GTK4 documents that an unset default dimension uses the window's natural size request, while the window remains resizable. Every workflow page is still hosted by the existing Gtk.ScrolledWindow, so longer pages remain usable at the smaller initial home height.

Manual qualification remains appropriate: verify the home opens compactly and a representative long page scrolls at the supported Tails guest resolution. No further automated Codex review request is warranted for this one-line behavior change.

[BenWestgate]

Updated release-gate review for rebased head 7b82ebc.

Code ACK. The PR is again exactly one commit / one file / one behavioral change on top of current #77: remove default_height=620 while retaining default_width=880. The prior review rationale is unchanged. Manual Tails confirmation of compact home height plus scrolling on a representative long page remains the only qualification item.

[BenWestgate]

Updated release-gate review for rebased head 38373b3.

Code ACK. The PR remains exactly one commit / one file / one behavioral change on top of current #77: remove default_height=620 while retaining default_width=880. Manual Tails confirmation of compact home height plus scrolling on a representative long page remains the only qualification item.

[BenWestgate]

Agent release-gate review at exact head 38373b3: this is a one-line behavioral layout change—leave width at 880 and omit the forced 620px height so GTK/libadwaita can use the home page's natural height. Long workflow pages still use the existing scrolled container. Exact-head run 36659468950 succeeded. No code-review blocker found; the initial home size and long-page scrolling still need the planned manual Tails guest-resolution check before the GUI candidate is frozen.