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feat(coding-agent): add read-only exploration tools (grep, find, ls) and --tools flag

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Add grep, find, and ls tools for safe code exploration without modification risk.
These tools are available via the new --tools CLI flag.

- grep: Uses ripgrep (auto-downloaded) for fast regex searching. Respects .gitignore,
  supports glob filtering, context lines, and hidden files.
- find: Uses fd (auto-downloaded) for fast file finding. Respects .gitignore, supports
  glob patterns, and hidden files.
- ls: Lists directory contents with proper sorting and directory indicators.
- --tools flag: Specify available tools (e.g., --tools read,grep,find,ls for read-only mode)
- Dynamic system prompt adapts to selected tools with relevant guidelines

Closes #74
This commit is contained in:
Mario Zechner 2025-11-29 00:59:23 +01:00
parent a61eca5dee
commit 186169a820
10 changed files with 928 additions and 25 deletions
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83
packages/coding-agent/src/tui/tool-execution.ts
View file

@ -198,6 +198,89 @@ export class ToolExecutionComponent extends Container {
text += "\n\n" + coloredLines.join("\n");
}
}
} else if (this.toolName === "ls") {
const path = shortenPath(this.args?.path || ".");
const limit = this.args?.limit;
text = theme.fg("toolTitle", theme.bold("ls")) + " " + theme.fg("accent", path);
if (limit !== undefined) {
text += theme.fg("toolOutput", ` (limit ${limit})`);
}
if (this.result) {
const output = this.getTextOutput().trim();
if (output) {
const lines = output.split("\n");
const maxLines = this.expanded ? lines.length : 20;
const displayLines = lines.slice(0, maxLines);
const remaining = lines.length - maxLines;
text += "\n\n" + displayLines.map((line: string) => theme.fg("toolOutput", line)).join("\n");
if (remaining > 0) {
text += theme.fg("toolOutput", `\n... (${remaining} more lines)`);
}
}
}
} else if (this.toolName === "find") {
const pattern = this.args?.pattern || "";
const path = shortenPath(this.args?.path || ".");
const limit = this.args?.limit;
text =
theme.fg("toolTitle", theme.bold("find")) +
" " +
theme.fg("accent", pattern) +
theme.fg("toolOutput", ` in ${path}`);
if (limit !== undefined) {
text += theme.fg("toolOutput", ` (limit ${limit})`);
}
if (this.result) {
const output = this.getTextOutput().trim();
if (output) {
const lines = output.split("\n");
const maxLines = this.expanded ? lines.length : 20;
const displayLines = lines.slice(0, maxLines);
const remaining = lines.length - maxLines;
text += "\n\n" + displayLines.map((line: string) => theme.fg("toolOutput", line)).join("\n");
if (remaining > 0) {
text += theme.fg("toolOutput", `\n... (${remaining} more lines)`);
}
}
}
} else if (this.toolName === "grep") {
const pattern = this.args?.pattern || "";
const path = shortenPath(this.args?.path || ".");
const glob = this.args?.glob;
const limit = this.args?.limit;
text =
theme.fg("toolTitle", theme.bold("grep")) +
" " +
theme.fg("accent", `/${pattern}/`) +
theme.fg("toolOutput", ` in ${path}`);
if (glob) {
text += theme.fg("toolOutput", ` (${glob})`);
}
if (limit !== undefined) {
text += theme.fg("toolOutput", ` limit ${limit}`);
}
if (this.result) {
const output = this.getTextOutput().trim();
if (output) {
const lines = output.split("\n");
const maxLines = this.expanded ? lines.length : 15;
const displayLines = lines.slice(0, maxLines);
const remaining = lines.length - maxLines;
text += "\n\n" + displayLines.map((line: string) => theme.fg("toolOutput", line)).join("\n");
if (remaining > 0) {
text += theme.fg("toolOutput", `\n... (${remaining} more lines)`);
}
}
}
} else {
// Generic tool
text = theme.fg("toolTitle", theme.bold(this.toolName));