csift 0.11.0

ripgrep for Claude Code session transcripts: fast regex list/search over ~/.claude/projects/**/*.jsonl
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

//! The `agent.communication.channel` leaf: detection, the dual label, the sender direction.

use super::*;

/// The first chunk of a delivery: a full envelope header (with `from=`) plus a body.
const FIRST_CHUNK: &str = r#"{"type":"attachment","uuid":"att1","timestamp":"2026-06-07T05:00:01.000Z","attachment":{"type":"hook_additional_context","hookEvent":"UserPromptSubmit","content":["[csift-channel v1 id=0123456789abcdef part=1/2 mode=steer from=aRelay-0123456789abcdef from-session=00000000 relation=sibling to=00000000-0000-4000-8000-000000000011]\nthrottlebeacon the region queue"]}}"#;

/// A CONTINUATION chunk: the header carries only `id=` and `part=`, so it names no sender.
const NEXT_CHUNK: &str = r#"{"type":"attachment","uuid":"att2","timestamp":"2026-06-07T05:00:02.000Z","attachment":{"type":"hook_additional_context","hookEvent":"PostToolUse","content":["[csift-channel v1 id=0123456789abcdef part=2/2]\nthe rest of the region queue\n--- end ---"]}}"#;

/// An ordinary hook context - the control for every assertion below.
const PLAIN_HOOK: &str = r#"{"type":"attachment","uuid":"att3","timestamp":"2026-06-07T05:00:03.000Z","attachment":{"type":"hook_additional_context","hookEvent":"SessionStart","content":["mistgate token applies"]}}"#;

fn ctx_owned() -> ClassifyCtx<'static> {
    ClassifyCtx {
        owner_id: Some("00000000-0000-4000-8000-000000000011"),
        ..ClassifyCtx::top_level()
    }
}

#[test]
fn channel_delivery_leads_the_hook_leaf_and_names_its_sender() {
    let r = parse(FIRST_CHUNK);
    // Both labels, the message view FIRST (richest-view law): the delivery is a message to
    // this lane, and it is still hook machinery on disk.
    assert_eq!(
        r.classify(&ctx_owned()),
        vec![Class::CommChannel, Class::MetaHook]
    );
    assert_eq!(
        r.direction(&ctx_owned()),
        Some((
            "aRelay-0123456789abcdef".to_string(),
            "00000000-0000-4000-8000-000000000011".to_string()
        ))
    );
    // Without an owner id the self side degrades to the literal, as every comm arm does.
    assert_eq!(
        r.direction(&ClassifyCtx::top_level()),
        Some(("aRelay-0123456789abcdef".to_string(), "self".to_string()))
    );
    // The delivery text is the content string VERBATIM - header line and body, nothing
    // fabricated and nothing stripped.
    let text = r.csift_channel_text().expect("a channel delivery");
    assert!(
        text.starts_with("[csift-channel v1 id=0123456789abcdef part=1/2")
            && text.ends_with("throttlebeacon the region queue"),
        "verbatim envelope: {text:?}"
    );
}

#[test]
fn a_continuation_chunk_is_the_leaf_with_no_direction() {
    let r = parse(NEXT_CHUNK);
    assert_eq!(
        r.classify(&ctx_owned()),
        vec![Class::CommChannel, Class::MetaHook]
    );
    // No `from=` in the header: the sender is unknown, so NO direction is reported rather
    // than a guessed one.
    assert_eq!(r.direction(&ctx_owned()), None);
}

#[test]
fn an_ordinary_hook_context_stays_hook_only() {
    let r = parse(PLAIN_HOOK);
    assert_eq!(r.classify(&ctx_owned()), vec![Class::MetaHook]);
    assert_eq!(r.csift_channel_text(), None);
    assert_eq!(r.direction(&ctx_owned()), None);
    // A hook context that merely QUOTES the marker mid-text is not a delivery: the header
    // must OPEN the injected string.
    let quoted = parse(
        r#"{"type":"attachment","uuid":"att4","attachment":{"type":"hook_additional_context","content":["the envelope opens [csift-channel v1 id=x] and so on"]}}"#,
    );
    assert_eq!(quoted.classify(&ctx_owned()), vec![Class::MetaHook]);
    assert_eq!(quoted.csift_channel_text(), None);
}

#[test]
fn prose_quoting_the_envelope_is_not_the_channel_leaf() {
    // The detector keys on the ATTACHMENT payload, so a human (or an agent) writing about
    // the envelope keeps its own label - csift's own dev sessions quote it constantly.
    let user = parse(
        r#"{"type":"user","uuid":"u9","message":{"role":"user","content":"the header reads [csift-channel v1 id=abc from=aRelay-0123456789abcdef]"}}"#,
    );
    assert_eq!(user.classify(&ctx_owned()), vec![Class::UserMessage]);
    assert_eq!(user.csift_channel_text(), None);
    let asst = parse(
        r#"{"type":"assistant","uuid":"a9","message":{"role":"assistant","content":[{"type":"text","text":"[csift-channel v1 id=abc from=aRelay-0123456789abcdef] is the header"}]}}"#,
    );
    assert_eq!(asst.classify(&ctx_owned()), vec![Class::AgentMessage]);
    assert_eq!(asst.csift_channel_text(), None);
}

#[test]
fn the_first_content_string_is_the_delivery() {
    // Several injected blocks: only the one the header OPENS is the delivery; the joined
    // form stays the harness.meta.hook view.
    let multi = parse(
        r#"{"type":"attachment","uuid":"att5","attachment":{"type":"hook_additional_context","content":["[csift-channel v1 id=abc part=1/1 from=aRelay-0123456789abcdef]\nfirst block","a second, unrelated block"]}}"#,
    );
    assert_eq!(
        multi.csift_channel_text().as_deref(),
        Some("[csift-channel v1 id=abc part=1/1 from=aRelay-0123456789abcdef]\nfirst block")
    );
    assert_eq!(
        multi.hook_additional_context_text().as_deref(),
        Some("[csift-channel v1 id=abc part=1/1 from=aRelay-0123456789abcdef]\nfirst block\na second, unrelated block")
    );
    // A block-shaped payload whose FIRST string is an ordinary context is not a delivery,
    // even when a later block carries an envelope (the receiver reads the first block).
    let later = parse(
        r#"{"type":"attachment","uuid":"att6","attachment":{"type":"hook_additional_context","content":["ordinary context","[csift-channel v1 id=abc from=aRelay-0123456789abcdef]\nbody"]}}"#,
    );
    assert_eq!(later.csift_channel_text(), None);
    // The bare-string payload shape is tolerated exactly as the hook extractor tolerates it.
    let bare = parse(
        r#"{"type":"attachment","uuid":"att7","attachment":{"type":"hook_additional_context","content":"[csift-channel v1 id=abc part=1/1 from=external:harbor-cron]\nrun the sweep"}}"#,
    );
    assert_eq!(
        bare.direction(&ClassifyCtx::top_level()),
        Some(("external:harbor-cron".to_string(), "self".to_string()))
    );
}

#[test]
fn the_prefilter_needle_is_a_run_of_the_header_prefix() {
    // The byte scan (search/scan.rs) and the classifier share ONE constant pair; a needle
    // that stopped being a substring of the header would silently stop admitting the line.
    assert!(
        Record::CSIFT_CHANNEL_HEADER_PREFIX.contains(Record::CSIFT_CHANNEL_NEEDLE),
        "the needle must be a run of the header prefix"
    );
    // Prefilter safety (SPEC 7d): ASCII, no whitespace-free requirement here but no
    // JSON-escaped character, so the needle survives verbatim in raw bytes.
    assert!(
        Record::CSIFT_CHANNEL_NEEDLE
            .bytes()
            .all(|b| b.is_ascii() && b != b'"' && b >= 0x20 && b != 0x7f),
        "the needle must carry no JSON-escaped character"
    );
}