feat(core): entry 历史附带关联 secret 密文快照，rollback 可恢复 N:N 与密文

- db: metadata_with_secret_snapshot / strip / parse 辅助
- add/update/delete/rollback 在写 entries_history 前合并快照
- rollback: 按历史快照同步 entry_secrets、更新或插入 secrets
- 满足 clippy collapsible_if

crates/secrets-core/src/db.rs

@@ -1,7 +1,7 @@
 use std::str::FromStr;
 
 use anyhow::{Context, Result};
-use serde_json::Value;
+use serde_json::{Map, Value};
 use sqlx::PgPool;
 use sqlx::postgres::{PgConnectOptions, PgPoolOptions, PgSslMode};
 
@@ -562,4 +562,75 @@ pub async fn snapshot_secret_history(
     Ok(())
 }
 
+pub const ENTRY_HISTORY_SECRETS_KEY: &str = "__secrets_snapshot_v1";
+
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct EntrySecretSnapshot {
+    pub name: String,
+    #[serde(rename = "type")]
+    pub secret_type: String,
+    pub encrypted_hex: String,
+}
+
+pub async fn metadata_with_secret_snapshot(
+    tx: &mut sqlx::Transaction<'_, sqlx::Postgres>,
+    entry_id: uuid::Uuid,
+    metadata: &Value,
+) -> Result<Value> {
+    #[derive(sqlx::FromRow)]
+    struct Row {
+        name: String,
+        #[sqlx(rename = "type")]
+        secret_type: String,
+        encrypted: Vec<u8>,
+    }
+
+    let rows: Vec<Row> = sqlx::query_as(
+        "SELECT s.name, s.type, s.encrypted \
+         FROM entry_secrets es \
+         JOIN secrets s ON s.id = es.secret_id \
+         WHERE es.entry_id = $1 \
+         ORDER BY s.name ASC",
+    )
+    .bind(entry_id)
+    .fetch_all(&mut **tx)
+    .await?;
+
+    let snapshots: Vec<EntrySecretSnapshot> = rows
+        .into_iter()
+        .map(|r| EntrySecretSnapshot {
+            name: r.name,
+            secret_type: r.secret_type,
+            encrypted_hex: ::hex::encode(r.encrypted),
+        })
+        .collect();
+
+    let mut merged = match metadata.clone() {
+        Value::Object(obj) => obj,
+        _ => Map::new(),
+    };
+    merged.insert(
+        ENTRY_HISTORY_SECRETS_KEY.to_string(),
+        serde_json::to_value(snapshots)?,
+    );
+    Ok(Value::Object(merged))
+}
+
+pub fn strip_secret_snapshot_from_metadata(metadata: &Value) -> Value {
+    let mut m = match metadata.clone() {
+        Value::Object(obj) => obj,
+        _ => return metadata.clone(),
+    };
+    m.remove(ENTRY_HISTORY_SECRETS_KEY);
+    Value::Object(m)
+}
+
+pub fn entry_secret_snapshot_from_metadata(metadata: &Value) -> Option<Vec<EntrySecretSnapshot>> {
+    let Value::Object(map) = metadata else {
+        return None;
+    };
+    let raw = map.get(ENTRY_HISTORY_SECRETS_KEY)?;
+    serde_json::from_value(raw.clone()).ok()
+}
+
 // ── DB helpers ────────────────────────────────────────────────────────────────

crates/secrets-core/src/service/add.rs

@@ -223,8 +223,16 @@ pub async fn run(pool: &PgPool, params: AddParams<'_>, master_key: &[u8; 32]) ->
         .await?
     };
 
-    if let Some(ref ex) = existing
+    if let Some(ref ex) = existing {
-        && let Err(e) = db::snapshot_entry_history(
+        let history_metadata =
+            match db::metadata_with_secret_snapshot(&mut tx, ex.id, &ex.metadata).await {
+                Ok(v) => v,
+                Err(e) => {
+                    tracing::warn!(error = %e, "failed to build secret snapshot for entry history");
+                    ex.metadata.clone()
+                }
+            };
+        if let Err(e) = db::snapshot_entry_history(
             &mut tx,
             db::EntrySnapshotParams {
                 entry_id: ex.id,
@@ -235,12 +243,13 @@ pub async fn run(pool: &PgPool, params: AddParams<'_>, master_key: &[u8; 32]) ->
                 version: ex.version,
                 action: "add",
                 tags: &ex.tags,
-                metadata: &ex.metadata,
+                metadata: &history_metadata,
             },
         )
         .await
-    {
+        {
-        tracing::warn!(error = %e, "failed to snapshot entry history before upsert");
+            tracing::warn!(error = %e, "failed to snapshot entry history before upsert");
+        }
     }
 
     // Upsert the entry row. On conflict (existing entry with same user_id+folder+name),
@@ -303,26 +312,6 @@ pub async fn run(pool: &PgPool, params: AddParams<'_>, master_key: &[u8; 32]) ->
             .fetch_one(&mut *tx)
             .await?;
 
-    if existing.is_none()
-        && let Err(e) = db::snapshot_entry_history(
-            &mut tx,
-            db::EntrySnapshotParams {
-                entry_id,
-                user_id: params.user_id,
-                folder: params.folder,
-                entry_type,
-                name: params.name,
-                version: current_entry_version,
-                action: "create",
-                tags: params.tags,
-                metadata: &metadata,
-            },
-        )
-        .await
-    {
-        tracing::warn!(error = %e, "failed to snapshot entry history on create");
-    }
-
     if existing.is_some() {
         #[derive(sqlx::FromRow)]
         struct ExistingField {
@@ -432,6 +421,35 @@ pub async fn run(pool: &PgPool, params: AddParams<'_>, master_key: &[u8; 32]) ->
         }
     }
 
+    if existing.is_none() {
+        let history_metadata =
+            match db::metadata_with_secret_snapshot(&mut tx, entry_id, &metadata).await {
+                Ok(v) => v,
+                Err(e) => {
+                    tracing::warn!(error = %e, "failed to build secret snapshot for entry history");
+                    metadata.clone()
+                }
+            };
+        if let Err(e) = db::snapshot_entry_history(
+            &mut tx,
+            db::EntrySnapshotParams {
+                entry_id,
+                user_id: params.user_id,
+                folder: params.folder,
+                entry_type,
+                name: params.name,
+                version: current_entry_version,
+                action: "create",
+                tags: params.tags,
+                metadata: &history_metadata,
+            },
+        )
+        .await
+        {
+            tracing::warn!(error = %e, "failed to snapshot entry history on create");
+        }
+    }
+
     crate::audit::log_tx(
         &mut tx,
         params.user_id,

crates/secrets-core/src/service/delete.rs

@@ -441,6 +441,15 @@ async fn snapshot_and_delete(
     row: &EntryRow,
     user_id: Option<Uuid>,
 ) -> Result<()> {
+    let history_metadata = match db::metadata_with_secret_snapshot(tx, row.id, &row.metadata).await
+    {
+        Ok(v) => v,
+        Err(e) => {
+            tracing::warn!(error = %e, "failed to build secret snapshot for entry history");
+            row.metadata.clone()
+        }
+    };
+
     if let Err(e) = db::snapshot_entry_history(
         tx,
         db::EntrySnapshotParams {
@@ -452,7 +461,7 @@ async fn snapshot_and_delete(
             version: row.version,
             action: "delete",
             tags: &row.tags,
-            metadata: &row.metadata,
+            metadata: &history_metadata,
         },
     )
     .await

crates/secrets-core/src/service/history.rs

@@ -31,8 +31,11 @@ pub async fn run(
     let entry = resolve_entry(pool, name, folder, user_id).await?;
 
     let rows: Vec<Row> = sqlx::query_as(
-        "SELECT version, action, created_at FROM entries_history \
+        "SELECT DISTINCT ON (version) version, action, created_at \
-         WHERE entry_id = $1 ORDER BY id DESC LIMIT $2",
+         FROM entries_history \
+         WHERE entry_id = $1 \
+         ORDER BY version DESC, id DESC \
+         LIMIT $2",
     )
     .bind(entry.id)
     .bind(limit as i64)

crates/secrets-core/src/service/rollback.rs

@@ -1,3 +1,5 @@
+use std::collections::HashSet;
+
 use anyhow::Result;
 use serde_json::Value;
 use sqlx::PgPool;
@@ -122,7 +124,7 @@ pub async fn run(
         sqlx::query_as(
             "SELECT folder, type, version, action, tags, metadata \
              FROM entries_history \
-             WHERE entry_id = $1 AND version = $2 ORDER BY id DESC LIMIT 1",
+             WHERE entry_id = $1 AND version = $2 ORDER BY id ASC LIMIT 1",
         )
         .bind(entry_id)
         .bind(ver)
@@ -149,6 +151,9 @@ pub async fn run(
         )
     })?;
 
+    let snap_secret_snapshot = db::entry_secret_snapshot_from_metadata(&snap.metadata);
+    let snap_metadata = db::strip_secret_snapshot_from_metadata(&snap.metadata);
+
     let _ = master_key;
 
     let mut tx = pool.begin().await?;
@@ -176,6 +181,15 @@ pub async fn run(
     .await?;
 
     let live_entry_id = if let Some(ref lr) = live {
+        let history_metadata =
+            match db::metadata_with_secret_snapshot(&mut tx, lr.id, &lr.metadata).await {
+                Ok(v) => v,
+                Err(e) => {
+                    tracing::warn!(error = %e, "failed to build secret snapshot for entry history");
+                    lr.metadata.clone()
+                }
+            };
+
         if let Err(e) = db::snapshot_entry_history(
             &mut tx,
             db::EntrySnapshotParams {
@@ -187,7 +201,7 @@ pub async fn run(
                 version: lr.version,
                 action: "rollback",
                 tags: &lr.tags,
-                metadata: &lr.metadata,
+                metadata: &history_metadata,
             },
         )
         .await
@@ -234,7 +248,7 @@ pub async fn run(
         .bind(&snap.folder)
         .bind(&snap.entry_type)
         .bind(&snap.tags)
-        .bind(&snap.metadata)
+        .bind(&snap_metadata)
         .bind(lr.id)
         .execute(&mut *tx)
         .await?;
@@ -252,7 +266,7 @@ pub async fn run(
             .bind(&snap.entry_type)
             .bind(name)
             .bind(&snap.tags)
-            .bind(&snap.metadata)
+            .bind(&snap_metadata)
             .bind(snap.version)
             .fetch_one(&mut *tx)
             .await?
@@ -266,16 +280,16 @@ pub async fn run(
             .bind(&snap.entry_type)
             .bind(name)
             .bind(&snap.tags)
-            .bind(&snap.metadata)
+            .bind(&snap_metadata)
             .bind(snap.version)
             .fetch_one(&mut *tx)
             .await?
         }
     };
 
-    // In N:N mode, rollback restores entry metadata/tags only.
+    if let Some(secret_snapshot) = snap_secret_snapshot {
-    // Secret snapshots are kept for audit but secret linkage/content is not rewritten here.
+        restore_entry_secrets(&mut tx, live_entry_id, user_id, &secret_snapshot).await?;
-    let _ = live_entry_id;
+    }
 
     crate::audit::log_tx(
         &mut tx,
@@ -300,3 +314,144 @@ pub async fn run(
         restored_version: snap.version,
     })
 }
+
+async fn restore_entry_secrets(
+    tx: &mut sqlx::Transaction<'_, sqlx::Postgres>,
+    entry_id: Uuid,
+    user_id: Option<Uuid>,
+    snapshot: &[db::EntrySecretSnapshot],
+) -> Result<()> {
+    #[derive(sqlx::FromRow)]
+    struct LinkedSecret {
+        id: Uuid,
+        name: String,
+        encrypted: Vec<u8>,
+    }
+
+    let linked: Vec<LinkedSecret> = sqlx::query_as(
+        "SELECT s.id, s.name, s.encrypted \
+         FROM entry_secrets es \
+         JOIN secrets s ON s.id = es.secret_id \
+         WHERE es.entry_id = $1",
+    )
+    .bind(entry_id)
+    .fetch_all(&mut **tx)
+    .await?;
+
+    let target_names: HashSet<&str> = snapshot.iter().map(|s| s.name.as_str()).collect();
+
+    for s in &linked {
+        if target_names.contains(s.name.as_str()) {
+            continue;
+        }
+        if let Err(e) = db::snapshot_secret_history(
+            tx,
+            db::SecretSnapshotParams {
+                secret_id: s.id,
+                name: &s.name,
+                encrypted: &s.encrypted,
+                action: "rollback",
+            },
+        )
+        .await
+        {
+            tracing::warn!(error = %e, "failed to snapshot secret before rollback unlink");
+        }
+
+        sqlx::query("DELETE FROM entry_secrets WHERE entry_id = $1 AND secret_id = $2")
+            .bind(entry_id)
+            .bind(s.id)
+            .execute(&mut **tx)
+            .await?;
+
+        sqlx::query(
+            "DELETE FROM secrets s \
+             WHERE s.id = $1 \
+               AND NOT EXISTS (SELECT 1 FROM entry_secrets es WHERE es.secret_id = s.id)",
+        )
+        .bind(s.id)
+        .execute(&mut **tx)
+        .await?;
+    }
+
+    for snap in snapshot {
+        let encrypted = ::hex::decode(&snap.encrypted_hex).map_err(|e| {
+            anyhow::anyhow!("invalid secret snapshot data for '{}': {}", snap.name, e)
+        })?;
+
+        #[derive(sqlx::FromRow)]
+        struct ExistingSecret {
+            id: Uuid,
+            encrypted: Vec<u8>,
+        }
+
+        let existing: Option<ExistingSecret> = if let Some(uid) = user_id {
+            sqlx::query_as("SELECT id, encrypted FROM secrets WHERE user_id = $1 AND name = $2")
+                .bind(uid)
+                .bind(&snap.name)
+                .fetch_optional(&mut **tx)
+                .await?
+        } else {
+            sqlx::query_as("SELECT id, encrypted FROM secrets WHERE user_id IS NULL AND name = $1")
+                .bind(&snap.name)
+                .fetch_optional(&mut **tx)
+                .await?
+        };
+
+        let secret_id = if let Some(ex) = existing {
+            if ex.encrypted != encrypted
+                && let Err(e) = db::snapshot_secret_history(
+                    tx,
+                    db::SecretSnapshotParams {
+                        secret_id: ex.id,
+                        name: &snap.name,
+                        encrypted: &ex.encrypted,
+                        action: "rollback",
+                    },
+                )
+                .await
+            {
+                tracing::warn!(error = %e, "failed to snapshot secret before rollback restore");
+            }
+            sqlx::query(
+                "UPDATE secrets SET type = $1, encrypted = $2, version = version + 1, updated_at = NOW() \
+                 WHERE id = $3",
+            )
+            .bind(&snap.secret_type)
+            .bind(&encrypted)
+            .bind(ex.id)
+            .execute(&mut **tx)
+            .await?;
+            ex.id
+        } else if let Some(uid) = user_id {
+            sqlx::query_scalar(
+                "INSERT INTO secrets (user_id, name, type, encrypted) VALUES ($1, $2, $3, $4) RETURNING id",
+            )
+            .bind(uid)
+            .bind(&snap.name)
+            .bind(&snap.secret_type)
+            .bind(&encrypted)
+            .fetch_one(&mut **tx)
+            .await?
+        } else {
+            sqlx::query_scalar(
+                "INSERT INTO secrets (user_id, name, type, encrypted) VALUES (NULL, $1, $2, $3) RETURNING id",
+            )
+            .bind(&snap.name)
+            .bind(&snap.secret_type)
+            .bind(&encrypted)
+            .fetch_one(&mut **tx)
+            .await?
+        };
+
+        sqlx::query(
+            "INSERT INTO entry_secrets (entry_id, secret_id) VALUES ($1, $2) ON CONFLICT DO NOTHING",
+        )
+        .bind(entry_id)
+        .bind(secret_id)
+        .execute(&mut **tx)
+        .await?;
+    }
+
+    Ok(())
+}

crates/secrets-core/src/service/update.rs

@@ -112,6 +112,15 @@ pub async fn run(
         }
     };
 
+    let history_metadata =
+        match db::metadata_with_secret_snapshot(&mut tx, row.id, &row.metadata).await {
+            Ok(v) => v,
+            Err(e) => {
+                tracing::warn!(error = %e, "failed to build secret snapshot for entry history");
+                row.metadata.clone()
+            }
+        };
+
     if let Err(e) = db::snapshot_entry_history(
         &mut tx,
         db::EntrySnapshotParams {
@@ -123,7 +132,7 @@ pub async fn run(
             version: row.version,
             action: "update",
             tags: &row.tags,
-            metadata: &row.metadata,
+            metadata: &history_metadata,
         },
     )
     .await
@@ -481,6 +490,15 @@ pub async fn update_fields_by_id(
         }
     };
 
+    let history_metadata =
+        match db::metadata_with_secret_snapshot(&mut tx, row.id, &row.metadata).await {
+            Ok(v) => v,
+            Err(e) => {
+                tracing::warn!(error = %e, "failed to build secret snapshot for entry history");
+                row.metadata.clone()
+            }
+        };
+
     if let Err(e) = db::snapshot_entry_history(
         &mut tx,
         db::EntrySnapshotParams {
@@ -492,7 +510,7 @@ pub async fn update_fields_by_id(
             version: row.version,
             action: "update",
             tags: &row.tags,
-            metadata: &row.metadata,
+            metadata: &history_metadata,
         },
     )
     .await