feat: git-based agent version reference and unified outdated badge (0.20.0)

SAC reads latest RDP/ssh-monitor versions from configured git repos for outdated detection, update targets, and settings test-git.

backend/app/services/agent_update.py

@@ -14,10 +14,10 @@ from app.services.agent_update_settings import (
     AgentUpdateConfig,
     get_effective_agent_update_config,
 )
+from app.services.agent_git_release import get_git_release_versions, recommended_from_git
 from app.services.agent_version import (
-    is_agent_version_outdated,
+    host_version_outdated,
     latest_agent_versions_by_product,
-    parse_agent_version,
 )
 from app.services.linux_admin_settings import get_effective_linux_admin_config
 from app.services.ssh_connect import (
@@ -49,12 +49,21 @@ class AgentUpdateNotAllowedError(Exception):
     pass
 
 
-def resolve_target_version(db: Session, host: Host, cfg: AgentUpdateConfig) -> str:
-    recommended = cfg.recommended_for_product(host.product or "")
-    if recommended:
-        return recommended
+def resolve_target_version(
+    db: Session,
+    host: Host,
+    cfg: AgentUpdateConfig,
+    *,
+    git_versions: dict[str, str] | None = None,
+) -> str:
+    product = host.product or ""
+    if git_versions is None:
+        git_versions = get_git_release_versions(cfg, db=db).versions
+    git_target = recommended_from_git(cfg, git_versions, product)
+    if git_target:
+        return git_target
     latest_map = latest_agent_versions_by_product(db)
-    return latest_map.get(host.product or "", "") or (host.product_version or "")
+    return latest_map.get(product, "") or (host.product_version or "")
 
 
 def host_version_status(
@@ -62,17 +71,20 @@ def host_version_status(
     *,
     cfg: AgentUpdateConfig,
     latest_map: dict[str, str],
+    git_versions: dict[str, str] | None = None,
 ) -> str:
-    current = host.product_version
-    if not current or parse_agent_version(current) is None:
+    product = host.product or ""
+    if git_versions is None:
+        git_versions = get_git_release_versions(cfg).versions
+    outdated = host_version_outdated(
+        host.product_version,
+        recommended=recommended_from_git(cfg, git_versions, product),
+        fleet_latest=latest_map.get(product, ""),
+        min_version=cfg.min_for_product(product),
+    )
+    if outdated is None:
         return "unknown"
-    recommended = cfg.recommended_for_product(host.product or "")
-    reference = recommended or latest_map.get(host.product or "")
-    if not reference:
-        return "unknown"
-    if is_agent_version_outdated(current, reference):
-        return "outdated"
-    return "ok"
+    return "outdated" if outdated else "ok"
 
 
 def request_agent_update(db: Session, host: Host) -> Host: