chore(docs): regenerate man page, HTML docs, and wiki

docs/fish-config.1

@@ -218,11 +218,23 @@ PAGER       ov (falls back to less)
 .IP
 .nf
 \f[C]
-SCROLLBACK_HISTORY_DIR        \[ti]/.terminal_history
-SCROLLBACK_HISTORY_MAX_FILES  100
+__fish_scrollback_history_dir        (unset → \[ti]/.terminal_history)
+__fish_scrollback_history_max_files  (unset → 100)
+SCROLLBACK_HISTORY_DIR        \[ti]/.terminal_history    (exported mirror)
+SCROLLBACK_HISTORY_MAX_FILES  100                    (exported mirror)
 \f[R]
 .fi
 .PP
+The __fish_scrollback_history_* universal variables are the fish-style
+source of truth \[em] set them via \f[V]config-settings\f[R] → Paths, or
+\f[V]set -U\f[R] directly.
+config.fish exports the SCROLLBACK_HISTORY_* mirrors from them, because
+the POSIX wrapper scripts (paru/yay/tmux/zellij logging and
+_prune_terminal_logs) read the exported names from the environment.
+When the __fish_ vars are unset, the documented defaults are exported.
+config.fish deliberately does not create a global source var, which
+would shadow the universal and stop live edits from taking effect.
+.PP
 Scrollback logs accumulate in SCROLLBACK_HISTORY_DIR as timestamped
 files.
 When the count exceeds SCROLLBACK_HISTORY_MAX_FILES the oldest are
@@ -1712,21 +1724,33 @@ config-update --force
 \f[C]
 Synopsis:  config-settings [-h]
 
-Opens an interactive TUI for managing fish configuration settings. Handles
-the six opinionated component categories (C1\[en]C6), the master disable
-variable, and the __fish_user_dots_path path variable \[em] without having to
-type or remember variable names. Two scope tabs allow independent per-scope
-configuration for category toggles:
+Opens an interactive TUI for managing fish configuration settings across
+four pages, without having to type or remember variable names. Tab cycles
+forward through the pages; Shift-Tab cycles backward.
 
-  Universal \[em] persists across all sessions (set -U)
-  Session   \[em] current shell only (set -g)
+  Universal \[em] opinionated category toggles (C1\[en]C6) + master, persistent (set -U)
+  Session   \[em] the same toggles, current shell only (set -g)
+  Sponge    \[em] sponge history-scrubbing settings: delay, successful exit
+              codes, purge-only-on-exit, allow-previously-successful, and
+              extra sensitive variable-name tokens
+  Paths     \[em] scrollback log directory, scrollback max files, and the
+              user-dots path
 
-The Dots Path row always operates on the universal scope regardless of the
-active tab.
+Toggle rows use ← → (or h/l) along an OFF ← DEFAULT → ON scale; DEFAULT
+erases the variable so the master switch / built-in default applies. Value
+rows (the path/int/list settings on the Sponge and Paths pages) use Enter to
+edit inline; ← / h clears the value back to its default. List rows (e.g.
+Extra secret, OK codes) accept values separated by commas and/or whitespace
+\[em] \[dq]A, B\[dq], \[dq]A,B\[dq] and \[dq]A B\[dq] all yield the same two entries. Changes apply
+immediately. Always available regardless of the __fish_config_opinionated
+master state.
 
-Changes to category toggles apply immediately on each keypress. Changes to
-the path variable use an inline edit prompt (Enter). Always available
-regardless of the __fish_config_opinionated master state.
+The Sponge and Paths pages always write universal variables \[em] these are
+persistent, set-and-forget settings with no per-session scope. Editing a
+scrollback row updates both the __fish_scrollback_history_* source-of-truth
+variables and the exported SCROLLBACK_HISTORY_* mirrors, so the AUR/tmux/
+zellij log wrappers (which read the exported names) see the change in the
+running session.
 
 The panel adapts to the terminal width automatically, selecting from
 four layout tiers (with a 6-column buffer on each side before stepping
@@ -1739,20 +1763,12 @@ redraws within \[ti]0.3 s of a terminal resize with no keypress required.
   COLUMNS  < 82  →  52-wide panel (default)
 
 Navigation:
-  ↑ ↓ / k j   Move cursor
-  ← → / h l   Set value: OFF ← DEFAULT → ON (toggle rows); LEFT clears path
-  Enter        Edit the Dots Path (path row only)
-  Tab          Switch scope (Universal ↔ Session)
-  q / Escape   Exit
-
-Left/Right (or vim-style h/l) move the highlighted toggle value one step
-along the OFF\[en]DEFAULT\[en]ON scale and stop at the ends. DEFAULT erases the
-variable so the master switch / built-in default applies. On the Dots Path
-row, LEFT/h clears the universal variable; RIGHT/l is a no-op (use Enter).
-
-Dots Path row [U] tag: the tag confirms this row always writes to the
-universal scope, regardless of which tab is active. Setting it per-session
-would have no effect on startup sourcing.
+  ↑ ↓ / k j     Move cursor
+  ← → / h l     Toggle rows: OFF ← DEFAULT → ON
+  ←  / h        Value rows: clear to default
+  Enter         Value rows: edit inline (Sponge / Paths pages)
+  Tab / S-Tab   Next / previous page
+  q / Escape    Exit
 
 Flags:
   --help / -h   Show usage.
@@ -2569,6 +2585,26 @@ To add your own persistent patterns:
 set -U -a sponge_regex_patterns \[aq]your-regex-here\[aq]
 \f[R]
 .fi
+.PP
+To mark additional variable NAMES as credential-bearing (so Layer 2
+scrubs their values), add name tokens \[em] via
+\f[V]config-settings\f[R] → Sponge, or directly:
+.IP
+.nf
+\f[C]
+set -U -a __fish_sponge_extra_sensitive ACME_API VAULT_PW
+\f[R]
+.fi
+.PP
+Tokens are folded into the Layer 2 name match case-insensitively as
+substrings, so ACME_API also covers ACME_API_KEY.
+(The match uses \f[V]--entire\f[R] to return the full variable name, so
+partial-name tokens dereference the right value.)
+.PP
+The \f[V]config-settings\f[R] Sponge page also surfaces sponge\[cq]s own
+tuning variables \[em] sponge_delay, sponge_successful_exit_codes,
+sponge_purge_only_on_exit, and sponge_allow_previously_successful \[em]
+so they can be changed without typing variable names.
 .SS Bundled Plugin Functionality
 .PP
 The remaining plugin functionality is bundled directly with this config