remem-ai 0.5.145

Local-first coding agent memory for Claude Code and OpenAI Codex
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149

use std::collections::HashSet;

use crate::memory::Memory;

pub(super) fn claim_terms(
    query_text: &str,
    core_terms: &[String],
    project: Option<&str>,
) -> Vec<String> {
    let entity_terms: HashSet<String> = crate::retrieval::entity::extract_entities("", query_text)
        .into_iter()
        .filter_map(|term| normalize_claim_token(&term))
        .collect();
    let project_terms: HashSet<String> = project
        .into_iter()
        .flat_map(|project| project.split(|c: char| !c.is_alphanumeric() && !is_cjk(c)))
        .filter_map(normalize_claim_token)
        .collect();

    core_terms
        .iter()
        .filter_map(|term| normalize_claim_token(term))
        .filter(|term| !entity_terms.contains(term) && !project_terms.contains(term))
        .collect()
}

pub(super) fn claim_term_coverage(memory: &Memory, claim_terms: &[String]) -> f64 {
    if claim_terms.is_empty() {
        return 1.0;
    }
    let haystack = format!("{} {}", memory.title, memory.text).to_lowercase();
    let matched = claim_terms
        .iter()
        .filter(|term| claim_term_matches(&haystack, term))
        .count();
    matched as f64 / claim_terms.len() as f64
}

fn claim_term_matches(haystack: &str, term: &str) -> bool {
    if haystack.contains(term) {
        return true;
    }
    if claim_term_aliases(term)
        .iter()
        .any(|alias| haystack.contains(alias))
    {
        return true;
    }
    claim_term_stems(term)
        .iter()
        .any(|stem| stem.chars().count() >= 3 && haystack.contains(stem.as_str()))
}

fn claim_term_aliases(term: &str) -> &'static [&'static str] {
    match term {
        "child" | "children" | "kid" | "kids" => &[
            "child",
            "children",
            "kid",
            "kids",
            "son",
            "daughter",
            "sons",
            "daughters",
        ],
        _ => &[],
    }
}

fn claim_term_stems(term: &str) -> Vec<String> {
    let mut stems = Vec::new();
    if let Some(stem) = term.strip_suffix("ing") {
        stems.push(stem.to_string());
    }
    if let Some(stem) = term.strip_suffix("ed") {
        stems.push(stem.to_string());
        stems.push(format!("{stem}e"));
    }
    if let Some(stem) = term.strip_suffix('s') {
        stems.push(stem.to_string());
    }
    stems
}

fn normalize_claim_token(term: &str) -> Option<String> {
    let normalized = term
        .trim_matches(|c: char| !c.is_alphanumeric() && !is_cjk(c))
        .to_lowercase();
    let min_len = if normalized.chars().any(is_cjk) { 2 } else { 3 };
    if normalized.chars().count() < min_len || is_generic_query_term(&normalized) {
        None
    } else {
        Some(normalized)
    }
}

fn is_generic_query_term(term: &str) -> bool {
    matches!(
        term,
        "all"
            | "and"
            | "are"
            | "did"
            | "does"
            | "for"
            | "from"
            | "current"
            | "had"
            | "has"
            | "have"
            | "handles"
            | "how"
            | "into"
            | "is"
            | "its"
            | "latest"
            | "onto"
            | "project"
            | "show"
            | "that"
            | "the"
            | "this"
            | "through"
            | "today"
            | "tomorrow"
            | "yesterday"
            | "before"
            | "after"
            | "during"
            | "only"
            | "production"
            | "was"
            | "were"
            | "what"
            | "when"
            | "where"
            | "which"
            | "who"
            | "why"
            | "with"
    )
}

fn is_cjk(c: char) -> bool {
    matches!(
        c,
        '\u{4E00}'..='\u{9FFF}' | '\u{3400}'..='\u{4DBF}' | '\u{F900}'..='\u{FAFF}'
    )
}