chore: finish sprout->buzz rename in relay env vars and public-facing strings

.github/workflows/ci.yml

@@ -483,7 +483,7 @@ jobs:
             BUZZ_RATE_LIMIT_HUMAN_API_CALLS_PER_MIN=100000 \
             BUZZ_RATE_LIMIT_HUMAN_WS_EVENTS_PER_SEC=10000 \
             BUZZ_GIT_PROBE_WRITERS=8 \
-            SPROUT_REMINDER_SCHEDULER_INTERVAL_SECS=1 \
+            BUZZ_REMINDER_SCHEDULER_INTERVAL_SECS=1 \
             ./target/ci/buzz-relay > /tmp/buzz-relay.log 2>&1 &
           echo $! > /tmp/buzz-relay.pid
           for attempt in $(seq 1 60); do
@@ -640,7 +640,7 @@ jobs:
             BUZZ_REQUIRE_AUTH_TOKEN=false \
             BUZZ_RECONCILE_CHANNELS=true \
             BUZZ_GIT_PROBE_WRITERS=8 \
-            SPROUT_REMINDER_SCHEDULER_INTERVAL_SECS=1 \
+            BUZZ_REMINDER_SCHEDULER_INTERVAL_SECS=1 \
             ./target/ci/buzz-relay > /tmp/buzz-relay.log 2>&1 &
           echo $! > /tmp/buzz-relay.pid
           for attempt in $(seq 1 60); do

crates/buzz-acp/src/config.rs

@@ -1536,7 +1536,7 @@ mod tests {
 
     #[test]
     fn codex_network_env_wss_url() {
-        let result = codex_network_env("codex-acp", "wss://sprout-oss.stage.blox.sqprod.co");
+        let result = codex_network_env("codex-acp", "wss://relay.example.com");
         assert_eq!(
             result,
             Some(("CODEX_CONFIG".to_string(), CODEX_CONFIG_JSON.to_string()))

crates/buzz-agent/src/config.rs

@@ -644,7 +644,7 @@ pub const MAX_TOOL_RESULT_BYTES: usize = 8 * 1024 * 1024;
 /// Default cap on the *text* portion of a single tool result. Oversized text
 /// is middle-elided before it enters history; without this, one fat `cat`
 /// burns the context window and forces a lossy handoff. 50 KiB matches the
-/// shell-output caps in sprout-dev-mcp, goose, and pi; codex defaults to
+/// shell-output caps in buzz-dev-mcp, goose, and pi; codex defaults to
 /// 10 KB. Tunable via `BUZZ_AGENT_MAX_TOOL_RESULT_TEXT_BYTES`.
 pub const DEFAULT_TOOL_RESULT_TEXT_BYTES: usize = 50 * 1024;
 pub const MAX_TOOL_CALLS_PER_TURN: usize = 64;

crates/buzz-relay/src/handlers/ingest.rs

@@ -1295,8 +1295,10 @@ fn validate_event_reminder(event: &Event) -> Result<(), &'static str> {
     // omit it. The ordering check only applies when both are present.
     if let Some(nb) = not_before {
         // Reject reminders scheduled beyond the configured horizon. The same
-        // SPROUT_MAX_NOT_BEFORE_DELTA env var is advertised in NIP-11.
-        let max_delta: u64 = std::env::var("SPROUT_MAX_NOT_BEFORE_DELTA")
+        // BUZZ_MAX_NOT_BEFORE_DELTA env var is advertised in NIP-11 (legacy
+        // SPROUT_-prefixed name still accepted, matching nip11.rs).
+        let max_delta: u64 = std::env::var("BUZZ_MAX_NOT_BEFORE_DELTA")
+            .or_else(|_| std::env::var("SPROUT_MAX_NOT_BEFORE_DELTA"))
             .ok()
             .and_then(|v| v.parse().ok())
             .unwrap_or(31_536_000); // 1 year default

crates/buzz-relay/src/handlers/side_effects.rs

@@ -2058,7 +2058,7 @@ async fn handle_a_tag_deletion(
         // separate concern) takes precedence. For every other addressable
         // kind, including kind:30023 (NIP-23 long-form), we soft-delete the
         // live row matching `(kind, pubkey, d_tag)` so REQs stop returning it.
-        // See https://github.com/block/sprout/issues/714.
+        // See https://github.com/block/buzz/issues/714.
         k if is_parameterized_replaceable(k) => {
             let pubkey_bytes = match hex::decode(pubkey_hex) {
                 Ok(b) => b,

crates/buzz-relay/src/main.rs

@@ -698,11 +698,16 @@ async fn main() -> anyhow::Result<()> {
     // column: only the pod that wins the atomic claim publishes.
     {
         let scheduler_state = Arc::clone(&state);
-        let scheduler_interval_secs: u64 = std::env::var("SPROUT_REMINDER_SCHEDULER_INTERVAL_SECS")
+        // Legacy SPROUT_-prefixed names still accepted so existing
+        // deployments keep their scheduler tuning across the sprout→buzz
+        // rename.
+        let scheduler_interval_secs: u64 = std::env::var("BUZZ_REMINDER_SCHEDULER_INTERVAL_SECS")
+            .or_else(|_| std::env::var("SPROUT_REMINDER_SCHEDULER_INTERVAL_SECS"))
             .ok()
             .and_then(|v| v.parse().ok())
             .unwrap_or(10);
-        let scheduler_batch_limit: i64 = std::env::var("SPROUT_REMINDER_SCHEDULER_BATCH_LIMIT")
+        let scheduler_batch_limit: i64 = std::env::var("BUZZ_REMINDER_SCHEDULER_BATCH_LIMIT")
+            .or_else(|_| std::env::var("SPROUT_REMINDER_SCHEDULER_BATCH_LIMIT"))
             .ok()
             .and_then(|v| v.parse().ok())
             .unwrap_or(100);

crates/buzz-relay/src/nip11.rs

@@ -94,7 +94,10 @@ pub struct RelayLimitation {
 /// `AuthState::Authenticated`. This is independent of the REST API token
 /// toggle (`config.require_auth_token`).
 fn relay_limitation(max_message_length: usize) -> RelayLimitation {
-    let max_not_before_delta: u64 = std::env::var("SPROUT_MAX_NOT_BEFORE_DELTA")
+    // Legacy SPROUT_-prefixed name still accepted so existing deployments
+    // keep their configured horizon across the sprout→buzz rename.
+    let max_not_before_delta: u64 = std::env::var("BUZZ_MAX_NOT_BEFORE_DELTA")
+        .or_else(|_| std::env::var("SPROUT_MAX_NOT_BEFORE_DELTA"))
         .ok()
         .and_then(|v| v.parse().ok())
         .unwrap_or(31_536_000); // 1 year default

crates/buzz-test-client/tests/e2e_event_reminder.rs

@@ -1137,7 +1137,7 @@ async fn await_scheduler_push(
 /// fan-out.
 ///
 /// Requires a low scheduler interval; run the relay with
-/// `SPROUT_REMINDER_SCHEDULER_INTERVAL_SECS=1`.
+/// `BUZZ_REMINDER_SCHEDULER_INTERVAL_SECS=1`.
 #[tokio::test]
 #[ignore]
 async fn test_scheduler_delivers_due_reminder_to_author_subscription() {

docs/nips/NIP-AO.md

@@ -297,4 +297,4 @@ of decrypted payloads and MUST NOT log it at INFO level or above.
 
 ## Reference Implementation
 
-[block/sprout PR #421](https://github.com/block/sprout/pull/421)
+[block/buzz PR #421](https://github.com/block/buzz/pull/421)