[jase-perf]

A bundle can now be a subset of its directory. This lets a bundle sit at the root of a workspace that also holds markdown that isn't knowledge (READMEs, project notes, logs, task lists) and limit itself to the parts that are:

[bundle]
dir = "."
include = ["wiki/**", "sources/**"]   # a .md must match one; empty = every .md (today's behavior)
exclude = ["**/*.fulltext.md"]        # applied after include

Today the only way to keep files out is a leading . or _, which means renaming folders other tools depend on.

Behavior

• Both lists are bundle-relative Bun.Glob patterns. Config validation rejects absolute paths and .., the same rule as the other path fields.
• validate, viz and migrate walk through the filter, via a new bundleFilter() passed to walkMd(root, filter?).
• Directories are pruned only when that's certain, so a narrow include never descends into the rest of a large tree. A directory is skipped when it's off every include's literal leading path (wiki/** never enters projects/), or under an X/** exclude. A leading wildcard (**/*.md) or a non-/** exclude never prunes.
• With both lists empty, nothing changes. The default config gains include: [], exclude: [], and config.test.ts was updated for that.

Testing

• New tests in test/lib.test.ts cover doc matching, directory pruning, and a walkMd run on a real temp tree, with a spy confirming excluded trees are never entered. viz-app/config.test.ts covers parsing and the rejection of ../ and /-rooted globs.
• On Linux (oven/bun:1.4.3): 607 pass / 0 fail, tsgo --noEmit clean.
• I'm using it on a 3,015-file bundle that sits at the root of a notes vault, with include = ["wiki/**", "sources/**"].

It touches walkMd, and so does #82, so whichever merges second will have a one-hunk conflict there. Resolved, it's this branch's version with relUnder(root, abs) in place of abs.slice(root.length + 1); that combination passes 610/610 on Windows.

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📥 Commits

Reviewing files that changed from the base of the PR and between 17a6b70 and f46b499.

📒 Files selected for processing: 7

• lib.ts
• migrate.ts
• test/lib.test.ts
• validate.ts
• viz-app/config.test.ts
• viz-app/config.ts
• viz.ts

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