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Persist CLI conversation history across sessions

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The Rust CLI now stores managed sessions under ~/.claude/sessions,
records additive session metadata in the canonical JSON transcript,
and exposes a /sessions listing alias alongside ID-or-path resume.
Inactive oversized sessions are compacted automatically so old
transcripts remain resumable without growing unchecked.

Constraint: Session JSON must stay backward-compatible with legacy files that lack metadata
Constraint: Managed sessions must use a single canonical JSON file per session without new dependencies
Rejected: Sidecar metadata/index files | duplicated state and diverged from the requested single-file persistence model
Confidence: high
Scope-risk: moderate
Reversibility: clean
Directive: Keep CLI policy in the CLI; only add transcript-adjacent metadata to runtime::Session unless another consumer truly needs more
Tested: cargo fmt; cargo clippy --workspace --all-targets -- -D warnings; cargo test --workspace
Not-tested: Manual interactive REPL smoke test against the live Anthropic API
This commit is contained in:
Yeachan-Heo
2026-04-01 00:58:14 +00:00
parent d6341d54c1
commit 146260083c
8 changed files with 342 additions and 37 deletions
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22
rust/crates/commands/src/lib.rs
View File

@@ -84,7 +84,7 @@ const SLASH_COMMAND_SPECS: &[SlashCommandSpec] = &[
SlashCommandSpec {
name: "resume",
summary: "Load a saved session into the REPL",
argument_hint: Some("<session-path>"),
argument_hint: Some("<session-id-or-path>"),
resume_supported: false,
},
SlashCommandSpec {
@@ -129,6 +129,12 @@ const SLASH_COMMAND_SPECS: &[SlashCommandSpec] = &[
argument_hint: Some("[list|switch <session-id>]"),
resume_supported: false,
},
SlashCommandSpec {
name: "sessions",
summary: "List recent managed local sessions",
argument_hint: None,
resume_supported: false,
},
];
#[derive(Debug, Clone, PartialEq, Eq)]
@@ -163,6 +169,7 @@ pub enum SlashCommand {
action: Option<String>,
target: Option<String>,
},
Sessions,
Unknown(String),
}
@@ -207,6 +214,7 @@ impl SlashCommand {
action: parts.next().map(ToOwned::to_owned),
target: parts.next().map(ToOwned::to_owned),
},
"sessions" => Self::Sessions,
other => Self::Unknown(other.to_string()),
})
}
@@ -291,6 +299,7 @@ pub fn handle_slash_command(
| SlashCommand::Version
| SlashCommand::Export { .. }
| SlashCommand::Session { .. }
| SlashCommand::Sessions
| SlashCommand::Unknown(_) => None,
}
}
@@ -365,6 +374,10 @@ mod tests {
target: Some("abc123".to_string())
})
);
assert_eq!(
SlashCommand::parse("/sessions"),
Some(SlashCommand::Sessions)
);
}
#[test]
@@ -378,7 +391,7 @@ mod tests {
assert!(help.contains("/permissions [read-only|workspace-write|danger-full-access]"));
assert!(help.contains("/clear [--confirm]"));
assert!(help.contains("/cost"));
assert!(help.contains("/resume <session-path>"));
assert!(help.contains("/resume <session-id-or-path>"));
assert!(help.contains("/config [env|hooks|model]"));
assert!(help.contains("/memory"));
assert!(help.contains("/init"));
@@ -386,7 +399,8 @@ mod tests {
assert!(help.contains("/version"));
assert!(help.contains("/export [file]"));
assert!(help.contains("/session [list|switch <session-id>]"));
assert_eq!(slash_command_specs().len(), 15);
assert!(help.contains("/sessions"));
assert_eq!(slash_command_specs().len(), 16);
assert_eq!(resume_supported_slash_commands().len(), 11);
}
@@ -404,6 +418,7 @@ mod tests {
text: "recent".to_string(),
}]),
],
metadata: None,
};
let result = handle_slash_command(
@@ -468,5 +483,6 @@ mod tests {
assert!(
handle_slash_command("/session list", &session, CompactionConfig::default()).is_none()
);
assert!(handle_slash_command("/sessions", &session, CompactionConfig::default()).is_none());
}
}