context-forge 0.8.0

Local-first persistent memory for LLM applications - turso + Tantivy BM25 retrieval, recency decay, token-budget context assembly, secret scrubbing, and optional local-LLM distillation.
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

/// Configurable lexicon sets for category detection.
#[derive(Debug, Clone)]
#[non_exhaustive]
pub struct Lexicons {
    /// Words/phrases indicating negation or contradiction (e.g. "not", "no longer").
    pub negation_markers: Vec<String>,
    /// Words/phrases indicating comparison (e.g. "instead of", "rather than").
    pub comparison_markers: Vec<String>,
    /// Words/phrases indicating causal reasoning (e.g. "because", "so that").
    pub causal_connectors: Vec<String>,
    /// Words/phrases indicating confirmation (e.g. "confirmed", "agreed").
    pub confirmation_tokens: Vec<String>,
    /// Words/phrases indicating a state-change operation (e.g. "is now", "set to").
    pub state_operators: Vec<String>,
}

impl Default for Lexicons {
    fn default() -> Self {
        Self {
            negation_markers: vec![
                "not".to_string(),
                "no".to_string(),
                "never".to_string(),
                "neither".to_string(),
                "nor".to_string(),
                "don't".to_string(),
                "doesn't".to_string(),
                "didn't".to_string(),
                "won't".to_string(),
                "wouldn't".to_string(),
                "can't".to_string(),
                "cannot".to_string(),
                "couldn't".to_string(),
                "shouldn't".to_string(),
                "isn't".to_string(),
                "aren't".to_string(),
                "wasn't".to_string(),
                "weren't".to_string(),
                "nothing".to_string(),
                "nowhere".to_string(),
                "nobody".to_string(),
                "none".to_string(),
                "without".to_string(),
            ],
            comparison_markers: vec![
                "better".to_string(),
                "worse".to_string(),
                "over".to_string(),
                "instead".to_string(),
                "rather".to_string(),
                "prefer".to_string(),
                "chose".to_string(),
                "picked".to_string(),
                "replaced".to_string(),
                "switched".to_string(),
                "upgraded".to_string(),
                "downgraded".to_string(),
                "versus".to_string(),
                "vs".to_string(),
                "compared".to_string(),
                "alternative".to_string(),
                "option".to_string(),
                "decided".to_string(),
                "went with".to_string(),
                "selected".to_string(),
            ],
            causal_connectors: vec![
                "because".to_string(),
                "since".to_string(),
                "due to".to_string(),
                "caused by".to_string(),
                "reason".to_string(),
                "therefore".to_string(),
                "so that".to_string(),
                "as a result".to_string(),
                "which means".to_string(),
                "in order to".to_string(),
                "leads to".to_string(),
                "that's why".to_string(),
                "the reason is".to_string(),
                "this is because".to_string(),
            ],
            confirmation_tokens: vec![
                "yes".to_string(),
                "perfect".to_string(),
                "correct".to_string(),
                "exactly".to_string(),
                "good".to_string(),
                "right".to_string(),
                "agreed".to_string(),
                "confirmed".to_string(),
                "approved".to_string(),
                "lgtm".to_string(),
            ],
            state_operators: vec![
                "=".to_string(),
                ":=".to_string(),
                "set to".to_string(),
                "changed to".to_string(),
                "now uses".to_string(),
                "updated to".to_string(),
                "IP:".to_string(),
                "port:".to_string(),
                "is now".to_string(),
                "is set to".to_string(),
                "is changed to".to_string(),
                "is updated to".to_string(),
                "→".to_string(),
                "->".to_string(),
            ],
        }
    }
}

#[cfg(test)]
mod tests {
    use super::Lexicons;

    #[test]
    fn default_lexicons_have_expected_counts() {
        let lexicons = Lexicons::default();

        assert_eq!(lexicons.negation_markers.len(), 23);
        assert_eq!(lexicons.comparison_markers.len(), 20);
        assert_eq!(lexicons.causal_connectors.len(), 14);
        assert_eq!(lexicons.confirmation_tokens.len(), 10);
        assert_eq!(lexicons.state_operators.len(), 14);
    }

    #[test]
    fn state_operators_do_not_contain_bare_is() {
        let lexicons = Lexicons::default();

        assert!(lexicons
            .state_operators
            .iter()
            .all(|operator| operator.to_lowercase() != "is"));
    }
}