nix templates: factor harness-base.nix (shared scaffolding incl. gitconfig)

hive-c0re/src/actions.rs

@@ -6,7 +6,9 @@
 use std::sync::Arc;
 
 use anyhow::{Result, bail};
-use hive_sh4re::{ApprovalKind, ApprovalStatus, HelperEvent, MANAGER_AGENT, Message, SYSTEM_SENDER};
+use hive_sh4re::{
+    ApprovalKind, ApprovalStatus, HelperEvent, MANAGER_AGENT, Message, SYSTEM_SENDER,
+};
 
 use crate::coordinator::{Coordinator, TransientKind};
 use crate::lifecycle::{self, MANAGER_NAME};
@@ -83,7 +85,11 @@ pub async fn approve(coord: Arc<Coordinator>, id: i64) -> Result<()> {
     }
 }
 
-fn finish_approval(coord: &Coordinator, approval: &hive_sh4re::Approval, result: Result<()>) -> Result<()> {
+fn finish_approval(
+    coord: &Coordinator,
+    approval: &hive_sh4re::Approval,
+    result: Result<()>,
+) -> Result<()> {
     match result {
         Ok(()) => {
             notify_manager(

hive-c0re/src/auto_update.rs

@@ -72,7 +72,6 @@ pub async fn rebuild_agent(coord: &Arc<Coordinator>, name: &str, current_rev: &s
     Ok(())
 }
 
-
 /// Auto-create the manager container on startup if it isn't already there.
 /// hive-c0re manages hm1nd end-to-end (Phase 8 follow-up): operators no
 /// longer declare `containers.hm1nd` in their host NixOS config. Bypasses

hive-c0re/src/lifecycle.rs

@@ -75,7 +75,11 @@ pub fn is_manager(name: &str) -> bool {
 /// extends. Manager → `manager`; everyone else → `agent-base`.
 #[must_use]
 pub fn flake_base(name: &str) -> &'static str {
-    if is_manager(name) { "manager" } else { "agent-base" }
+    if is_manager(name) {
+        "manager"
+    } else {
+        "agent-base"
+    }
 }
 
 fn validate(name: &str) -> Result<()> {