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limits: unified 1 KiB cap on send/ask + reminder auto-file on overflow

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This commit is contained in:
damocles 2026-05-17 11:36:12 +02:00
parent 753409a5ef
commit 0e6bac8388
6 changed files with 180 additions and 42 deletions
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10
hive-c0re/src/reminder_scheduler.rs
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@ -121,8 +121,9 @@ fn inline_fallback(req_path: &str, reason: &str, message: &str) -> String {
/// Persist `message` to `host_path` with the symlink-escape defenses
/// described in the module docs. Returns `Ok(())` on success, or a
/// human-readable reason string on any failure (caller logs +
/// inline-falls-back).
fn write_payload(agent: &str, host_path: &Path, message: &str) -> Result<(), String> {
/// inline-falls-back). `pub` because `agent_server::handle_remind`
/// reuses it for the at-remind-time auto-file path.
pub fn write_payload(agent: &str, host_path: &Path, message: &str) -> Result<(), String> {
let Some(parent) = host_path.parent() else {
return Err("internal: host path has no parent".to_owned());
};
@ -168,8 +169,9 @@ fn write_payload(agent: &str, host_path: &Path, message: &str) -> Result<(), Str
/// validating that it lives under the agent's own state subtree, has
/// a non-empty relative tail, and doesn't try to traverse out via
/// `..`. Returns the host `PathBuf` on success, or a human-readable
/// reason string on rejection.
fn resolve_host_path(agent: &str, req_path: &str) -> Result<PathBuf, String> {
/// reason string on rejection. `pub` so `agent_server::handle_remind`
/// can reuse it for the at-remind-time auto-file path.
pub fn resolve_host_path(agent: &str, req_path: &str) -> Result<PathBuf, String> {
let prefix = format!("/agents/{agent}/state/");
let Some(rel) = req_path.strip_prefix(&prefix) else {
return Err(format!(