Move build files to global ~/.pipedown directory

[Copilot]

Build outputs now go to ~/.pipedown/builds/{projectName}/ instead of local ./.pd/ directories.

Changes

New helpers in pdCli/helpers.ts:

• getGlobalPipedownDir() → ~/.pipedown
• getProjectName(config?) → from config.json name field or cwd basename
• getProjectBuildDir(projectName?) → ~/.pipedown/builds/{projectName}

Updated modules:

• pdBuild.ts - outputs to global build dir
• defaultTemplateFiles.ts - generates deno.json/replEval.ts in global location
• exportPipe.ts - dynamic config path resolution
• All CLI commands pass project name for correct path resolution
• mergeParentDirConfig - detects project root via deno.json or .git instead of .pd/deno.json

Project registry:

• ~/.pipedown/projects.json tracks all registered projects with name, path, and buildDir

Structure

~/.pipedown/
├── builds/
│   └── {projectName}/
│       ├── {pipeName}/
│       │   └── index.ts, cli.ts, server.ts, ...
│       ├── deno.json
│       └── replEval.ts
└── projects.json

Legacy PD_DIR and commonArgs exports retained but marked deprecated.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• dl.deno.land
  • Triggering command: /usr/bin/curl curl -s REDACTED (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

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This section details on the original issue you should resolve

<issue_title>Move all "build" files into a globally shared directory</issue_title>
<issue_description>Plan how we can have all per project pipedown build files managed via the global $USER/.pipedown directory.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Move all "build" files into a globally shared directory #9

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