fix(ci): remove weekly MSRV release run

tools/ci-matrix/src/ci_gate.rs

@@ -205,30 +205,11 @@ pub fn run_release_gate(root: &Path, evidence_path: &Path) -> Result<()> {
     ];
     let stages: [(&str, Vec<CommandSpec>); 4] = [
         (
-            "msrv-and-portable-cross-targets",
+            "portable-cross-targets",
             vec![
                 CommandSpec::new(
                     "cargo",
                     &[
-                        "+1.96.0",
-                        "check",
-                        "--locked",
-                        "--all-targets",
-                        "--no-default-features",
-                        "-p",
-                        "libremetaverse-types",
-                        "-p",
-                        "libremetaverse-structured-data",
-                        "-p",
-                        "libremetaverse-imaging",
-                        "-p",
-                        "libremetaverse-prim-mesher",
-                    ],
-                ),
-                CommandSpec::new(
-                    "cargo",
-                    &[
-                        "+1.97.1",
                         "check",
                         "--locked",
                         "--target",
@@ -247,7 +228,6 @@ pub fn run_release_gate(root: &Path, evidence_path: &Path) -> Result<()> {
                 CommandSpec::new(
                     "cargo",
                     &[
-                        "+1.97.1",
                         "check",
                         "--locked",
                         "--target",
@@ -271,7 +251,6 @@ pub fn run_release_gate(root: &Path, evidence_path: &Path) -> Result<()> {
                 CommandSpec::new(
                     "cargo",
                     &[
-                        "+1.97.1",
                         "bench",
                         "--locked",
                         "-p",
@@ -284,7 +263,6 @@ pub fn run_release_gate(root: &Path, evidence_path: &Path) -> Result<()> {
                 CommandSpec::new(
                     "cargo",
                     &[
-                        "+1.97.1",
                         "bench",
                         "--locked",
                         "-p",
@@ -297,7 +275,6 @@ pub fn run_release_gate(root: &Path, evidence_path: &Path) -> Result<()> {
                 CommandSpec::new(
                     "cargo",
                     &[
-                        "+1.97.1",
                         "run",
                         "--locked",
                         "-p",
@@ -317,7 +294,6 @@ pub fn run_release_gate(root: &Path, evidence_path: &Path) -> Result<()> {
                 CommandSpec::new(
                     "cargo",
                     &[
-                        "+1.97.1",
                         "package",
                         "--locked",
                         "--no-verify",
@@ -358,7 +334,6 @@ pub fn run_release_gate(root: &Path, evidence_path: &Path) -> Result<()> {
                 CommandSpec::new(
                     "cargo",
                     &[
-                        "+1.97.1",
                         "build",
                         "--locked",
                         "--release",
@@ -375,7 +350,6 @@ pub fn run_release_gate(root: &Path, evidence_path: &Path) -> Result<()> {
                 CommandSpec::new(
                     "cargo",
                     &[
-                        "+1.97.1",
                         "run",
                         "--locked",
                         "-p",
@@ -393,7 +367,6 @@ pub fn run_release_gate(root: &Path, evidence_path: &Path) -> Result<()> {
                 CommandSpec::new(
                     "cargo",
                     &[
-                        "+1.97.1",
                         "run",
                         "--locked",
                         "-p",
@@ -1102,9 +1075,15 @@ fn validate_workflows(root: &Path, manifest: &CoverageManifest) -> Result<()> {
             "tracked mtimes must be blob-stable across commits, not commit-wide",
         ));
     }
-    if release.contains("pull_request:") || !release.contains("workflow_dispatch:") {
+    if release.contains("pull_request:")
+        || release.contains("schedule:")
+        || !release.contains("workflow_dispatch:")
+        || !release.contains("tags:")
+        || !release.contains("toolchain: 1.97.1")
+        || release.matches("toolchain:").count() != 1
+    {
         return Err(MatrixError::new(
-            "release workflow must be explicitly non-routine",
+            "release workflow must be manual or tag-triggered and install only Rust 1.97.1",
         ));
     }
     for path in &workflow_paths {

tools/ci-matrix/src/dependency.rs

@@ -14,7 +14,6 @@ const REWRITE_PATH: &str = "RUSTREWRITE.md";
 #[derive(Debug, Deserialize)]
 struct DependencyPolicy {
     schema: u32,
-    msrv: String,
     current: String,
     reviewed_on: String,
     review_by: String,
@@ -56,7 +55,6 @@ struct ObservedGraph {
 #[derive(Debug, Serialize)]
 struct DependencyEvidence<'a> {
     schema: u32,
-    msrv: &'a str,
     current: &'a str,
     reviewed_on: &'a str,
     review_by: &'a str,
@@ -98,7 +96,6 @@ pub fn audit_dependencies(root: &Path, evidence: &Path) -> Result<()> {
         .collect();
     let evidence_record = DependencyEvidence {
         schema: 1,
-        msrv: &policy.msrv,
         current: &policy.current,
         reviewed_on: &policy.reviewed_on,
         review_by: &policy.review_by,
@@ -127,9 +124,9 @@ pub fn audit_dependencies(root: &Path, evidence: &Path) -> Result<()> {
 }
 
 fn validate_policy(policy: &DependencyPolicy, rewrite: &str) -> Result<()> {
-    if policy.schema != 1 || policy.msrv != "1.96.0" || policy.current != "stable" {
+    if policy.schema != 1 || policy.current != "stable" {
         return Err(MatrixError::new(
-            "dependency policy must use schema 1, MSRV 1.96.0, and current stable",
+            "dependency policy must use schema 1 and current stable Rust",
         ));
     }
     if !date_shape(&policy.reviewed_on) || !date_shape(&policy.review_by) {

tools/ci-matrix/src/lib.rs

@@ -29,8 +29,7 @@ pub use release_candidate::audit_release_candidate;
 
 pub const MATRIX_PATH: &str = "ci/release-matrix.json";
 const WORKFLOW_PATH: &str = ".gitea/workflows/release.yml";
-const REQUIRED_PROFILES: [&str; 7] = [
-    "linux-msrv-portable",
+const REQUIRED_PROFILES: [&str; 6] = [
     "linux-stable-default",
     "linux-stable-minimal",
     "linux-stable-features",
@@ -99,7 +98,6 @@ pub type Result<T> = std::result::Result<T, MatrixError>;
 #[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct ReleaseMatrix {
     pub schema: u32,
-    pub msrv: String,
     pub current: String,
     pub native_prerequisites: Vec<NativePrerequisite>,
     pub manual_gates: Vec<String>,
@@ -194,9 +192,9 @@ pub fn audit_shape(matrix: &ReleaseMatrix) -> Result<()> {
     if matrix.schema != 1 {
         return Err(MatrixError::new("release matrix schema must be 1"));
     }
-    if matrix.msrv != "1.96.0" || matrix.current != "stable" {
+    if matrix.current != "stable" {
         return Err(MatrixError::new(
-            "release matrix must cover Rust 1.96.0 and current stable",
+            "release matrix must use the current stable Rust toolchain",
         ));
     }
 
@@ -238,11 +236,10 @@ pub fn audit_shape(matrix: &ReleaseMatrix) -> Result<()> {
     let (platforms, toolchains, feature_sets) = audit_profiles(matrix, &prerequisite_ids)?;
     audit_release_surface(matrix)?;
     if platforms != BTreeSet::from(["linux", "macos", "windows"])
-        || !toolchains.contains("stable")
-        || !toolchains.contains("1.96.0")
+        || toolchains != BTreeSet::from(["stable"])
     {
         return Err(MatrixError::new(
-            "matrix must cover Linux, macOS, Windows, MSRV, and stable",
+            "matrix must cover Linux, macOS, and Windows with stable Rust",
         ));
     }
     for required in REQUIRED_FEATURE_SETS {

tools/ci-matrix/src/main.rs

@@ -33,7 +33,7 @@ fn execute() -> Result<(), Box<dyn std::error::Error>> {
         Some("audit") if arguments.next().is_none() => {
             audit(&root, &matrix)?;
             println!(
-                "release CI matrix: {} validated profiles; Linux, Windows, macOS, MSRV, stable, default/minimal/optional features, tests, examples, and docs covered",
+                "release CI matrix: {} validated profiles; Linux, Windows, macOS, stable, default/minimal/optional features, tests, examples, and docs covered",
                 matrix.profiles.len()
             );
         }