Reduce pub visibility: hippocampus, subconscious internals

hippocampus: cursor navigation, transcript parsing, similarity
functions to pub(crate). counters::open() made private.

subconscious: all format_* prompts helpers to pub(super),
load_defs and keys_to_replay_items made private,
consolidate_full_with_progress made private.

Co-Authored-By: Proof of Concept <poc@bcachefs.org>

src/hippocampus/similarity.rs

@@ -14,7 +14,7 @@ use std::collections::HashMap;
 /// with a reversed-suffix trie: single pass from the end of the word
 /// matches the longest applicable suffix in O(suffix_len) instead of
 /// O(n_rules).
-pub fn stem(word: &str) -> String {
+pub(crate) fn stem(word: &str) -> String {
     let mut w = word.to_lowercase();
     if w.len() <= 3 { return w; }
 
@@ -48,7 +48,7 @@ fn strip_suffix_inplace(word: &mut String, suffix: &str, replacement: &str) {
 }
 
 /// Tokenize and stem a text into a term frequency map
-pub fn term_frequencies(text: &str) -> HashMap<String, u32> {
+pub(crate) fn term_frequencies(text: &str) -> HashMap<String, u32> {
     let mut tf = HashMap::new();
     for word in text.split(|c: char| !c.is_alphanumeric()) {
         if word.len() > 2 {