docs: describe Plan Compaction

- also fix CI bug wrt fmt check

Author: ammario

Makefile

@@ -86,7 +86,7 @@ fmt: ## Format code with Prettier
 
 fmt-check: ## Check code formatting
 	@echo "Checking TypeScript/JSON/Markdown formatting..."
-	@bun x prettier --check $(PRETTIER_PATTERNS) 2>&1 | grep -v 'No files matching'
+	@bun x prettier --check $(PRETTIER_PATTERNS)
 
 fmt-shell: ## Format shell scripts with shfmt
 	@./scripts/fmt.sh --shell

docs/context-management.md

@@ -4,13 +4,12 @@ Commands for managing conversation history length and token usage.
 
 ## Comparison
 
-| Approach                  | `/clear` | `/truncate` | `/compact`       | Plan Compaction | 
-| ------------------------ | -------- | ----------- | ---------------- | ---------------- |
-| **Speed**                | Instant  | Instant     | Slower (uses AI) |  Instant |
-| **Context Preservation** | None     | Temporal    | Intelligent      |  Intelligent | 
-| **Cost**                 | Free     | Free        | Uses API tokens  | Free |
-| **Reversible**           | No       | No          | No               | Yes | 
-
+| Approach                 | `/clear` | `/truncate` | `/compact`       | Plan Compaction |
+| ------------------------ | -------- | ----------- | ---------------- | --------------- |
+| **Speed**                | Instant  | Instant     | Slower (uses AI) | Instant         |
+| **Context Preservation** | None     | Temporal    | Intelligent      | Intelligent     |
+| **Cost**                 | Free     | Free        | Uses API tokens  | Free            |
+| **Reversible**           | No       | No          | No               | Yes             |
 
 ## Plan Compaction
 

docs/vim-mode.md

@@ -48,7 +48,7 @@ Vim mode is always enabled. Press **ESC** to enter normal mode from insert mode.
 ### Line Movement
 
 - **0** - Move to beginning of line
-- **_** - Move to first non-whitespace character of line
+- **\_** - Move to first non-whitespace character of line
 - **$** - Move to end of line
 - **Home** - Same as **0**
 - **End** - Same as **$**
@@ -102,7 +102,7 @@ Vim's power comes from combining operators with motions. All operators work with
 - **e** - To end of word
 - **$** - To end of line
 - **0** - To beginning of line
-- **_** - To first non-whitespace character
+- **\_** - To first non-whitespace character
 
 ### Examples
 

src/utils/vim.test.ts

@@ -515,4 +515,3 @@ describe("Vim Command Integration Tests", () => {
     });
   });
 });
-

src/utils/vim.ts

@@ -103,7 +103,6 @@ export function moveToFirstNonWhitespace(text: string, cursor: number): number {
   return i >= lineEnd ? lineStart : i;
 }
 
-
 /**
  * Move cursor vertically by delta lines, maintaining desiredColumn if provided.
  */
@@ -743,7 +742,10 @@ function tryHandleNavigation(state: VimState, key: string): VimKeyResult | null
     }
 
     case "_":
-      return handleKey(state, { cursor: moveToFirstNonWhitespace(text, cursor), desiredColumn: null });
+      return handleKey(state, {
+        cursor: moveToFirstNonWhitespace(text, cursor),
+        desiredColumn: null,
+      });
 
     case "$":
     case "End": {