docs: fix what no longer matches lazysecrets, and say each thing once

Fixes:
- A newer release shows in the status pane (`↑ v0.2.0`), not the footer.
- The account in `lazysecrets list` is plain `Azure` with one az account; `Azure:<user>/<tenant>` only with several.
- Sharing lists subscription, workspace and scope links, and opening takes Azure portal links.
- `--timeout` and `--clipboard-clear` are documented, next to their config keys.
- `--kind`'s description reads, and says `vault` covers scopes and repo files.
- `lazysecrets -h` lists `list`'s `--stars`, `--notes`, `--recent` and `--expiry`.
- README typos; "Supported platforms" is "Sources".

Trimmed:
- An option is documented on its topic's page; config.md's example keeps the general ones and links the rest.
- The fzf picker lives in docs/integration.md; the README keeps a link and the screenshot.
- The clipboard clear, reveal timeout, per-account stars, Azure's "no extra requests" and `open --action` are each said once.
- The status pane's contents are a list; build sizes and PR-title spellings are gone from development.md.

docs/sharing.md

@@ -146,9 +146,10 @@ turns the question off too.
 link then opens a new window of the terminal you ran it in, with
 lazysecrets on that link. It recognises kitty, Ghostty, WezTerm, iTerm2,
 Terminal.app, Alacritty, GNOME Terminal, Konsole and foot, also inside
-tmux; `--terminal NAME` picks another. It records your `PATH` and config
+tmux; `--terminal NAME` picks another. It records your `PATH`, config
-locations, since apps start without your shell's environment (and so
+locations and XDG directories, since apps start without your shell's
-without `az`): run it again after moving lazysecrets or changing those.
+environment (and so without `az`): run it again after moving lazysecrets
+or changing those.
 
 - macOS: a small background app, `~/Applications/Lazysecrets Links.app`
 - Linux: a desktop entry claiming `x-scheme-handler/lazysecrets`, set as

internal/linkhandler/terminal.go

@@ -166,9 +166,11 @@ func Executable() (string, error) {
 
 // passEnv lists the variables carried from the install's environment to
 // lazysecrets in the new window: apps start with a minimal environment,
-// without Homebrew's PATH (so no az) or the user's config locations.
+// without Homebrew's PATH (so no az) or the user's XDG directories, so
+// the window would use another cache and miss running instances' sockets.
 var passEnv = []string{
-	"PATH", "LAZYSECRETS_CONFIG_FILE", "LAZYSECRETS_ICONS", "XDG_CONFIG_HOME", "XDG_STATE_HOME",
+	"PATH", "LAZYSECRETS_CONFIG_FILE", "LAZYSECRETS_ICONS",
+	"XDG_CONFIG_HOME", "XDG_STATE_HOME", "XDG_CACHE_HOME", "XDG_RUNTIME_DIR", "XDG_DATA_HOME",
 	"AZURE_CONFIG_DIR", "DATABRICKS_CONFIG_FILE",
 }