Assets can be corrected before depreciation: books.correct_asset (cost, salvage, life, in-service date, with a reason), journaled as asset.corrected with the old figures; refused once depreciation is posted

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX

crates/ledger-mcp/tests/mcp_stdio.rs

@@ -147,7 +147,7 @@ fn mcp_end_to_end_over_stdio() {
     // Tool listing: the narrow tools; chart is read-only.
     let list = mcp.request("tools/list", json!({}));
     let tools = list["result"]["tools"].as_array().unwrap();
-    assert_eq!(tools.len(), 73, "expected 73 tools, got {}", tools.len());
+    assert_eq!(tools.len(), 74, "expected 74 tools, got {}", tools.len());
     let chart = tools.iter().find(|t| t["name"] == "books.chart").unwrap();
     assert_eq!(chart["annotations"]["readOnlyHint"], true);
     assert!(

crates/ledger-mcp/tests/spec_mcp.rs

@@ -796,6 +796,10 @@ fn happy_path(name: &str) -> Mcp {
         "books.set_asset_tax_basis",
         json!({"asset": "LAPTOP-1", "rule": "personal_use_conversion", "contributor_basis": "3200.00"}),
     );
+    m.ok(
+        "books.correct_asset",
+        json!({"asset": "LAPTOP-1", "useful_life_months": 48, "reason": "registered with the wrong life"}),
+    );
     m.ok("books.asset_labels", json!({}));
     m.ok(
         "books.asset_labels",