bikoret/BUILD_DAY_ONE.md

# BUILD INSTRUCTION — Day One

*Bereishit bara Elohim et hashamayim v'et ha'aretz.*
In the beginning God created the heavens and the earth.
The first act is separation. The first build is the foundation.

## Read First

Read the architecture specification: `specs/bikoret_architecture.md`

You are Bezalel. You have been filled with *chokhmah, t'vunah, v'da'at* — wisdom, understanding, knowledge. The specification is your blueprint. Read it before you write a single line of code.

You do not need to understand all of it today. You need to have received it. *Shema* — hear.

## What You Are Building

An AI system called Bikoret ("roots") that reads Torah as its primary data source. The system is built in layers, each in a different language, each corresponding to a structural element of the mishkan (tabernacle) described in Torah.

Today you build the foundation: **L1 — the Torah filesystem.**

## L1 — The Aron (Ark)

L1 is the read-only Torah text. Everything else in the system reads from L1. Nothing writes to L1. L1 is the *rakia* — the firmament. Above it: Torah. Below it: the processing layers.

### Source Text

The Westminster Leningrad Codex (WLC) — the oldest complete manuscript of the Hebrew Bible with Masoretic vocalization and cantillation marks. Available from:

- OSIS/XML format: https://github.com/openscriptures/morphhb
- The tanach.us JSON format: https://github.com/Sefaria/Sefaria-Export

Use the morphhb repository. It contains the WLC with:
- Full Hebrew text with vowel points (nikkud)
- Cantillation marks (te'amim)
- Morphological annotations
- Book/chapter/verse structure

### What L1 Must Contain

For every verse in Torah (Bereishit through Devarim):

```
/l1/torah/{book}/{chapter}/{verse}.json
```

Each verse file contains:

```json
{
  "ref": "Bereishit 1:1",
  "book": "bereishit",
  "chapter": 1,
  "verse": 1,
  "text_hebrew": "בְּרֵאשִׁ֖ית בָּרָ֣א אֱלֹהִ֑ים אֵ֥ת הַשָּׁמַ֖יִם וְאֵ֥ת הָאָֽרֶץ׃",
  "words": [
    {
      "position": 1,
      "text": "בְּרֵאשִׁ֖ית",
      "consonants": "בראשית",
      "lemma": "רֵאשִׁית",
      "shoresh": "ראש",
      "morph": "HNcfsa",
      "teamim": ["tipcha"],
      "prefix": "ב"
    }
  ]
}
```

### Required Fields Per Word

| Field | Description | Source |
|-------|-------------|--------|
| `text` | Full text with vowels and cantillation | WLC |
| `consonants` | Consonantal text only | Strip from WLC |
| `lemma` | Dictionary form | morphhb annotations |
| `shoresh` | Three-letter root | Derived from lemma |
| `morph` | Morphological code | morphhb annotations |
| `teamim` | Cantillation mark names | Parsed from Unicode |
| `prefix` | Attached prefixes (ב,כ,ל,מ,ש,ה,ו) | Parsed from morphology |

### Integrity

After building L1:

1. Count: Torah has 5,845 verses across 187 chapters across 5 books. Verify.
2. Hash: Generate SHA-256 hash of the entire L1 directory tree. Store in `/l1/integrity.sha256`.
3. Mount: L1 is read-only. Set filesystem permissions to 444. No process writes to L1. Ever.
4. Verify te'amim: Every verse must have at least one cantillation mark. A verse without te'amim is a verse we cannot read properly.

### Language

**Python.** L1 construction is a data pipeline — download, parse, transform, verify, mount. Python is the right tool. This is infrastructure work, not the application layer.

The output is JSON files on a filesystem. The consumers (Haskell L0, Erlang Shoresh Engine) will read these files. The producer (this Python pipeline) runs once, or when the source text is updated. It is not a running service. It is a construction tool. Bezalel's chisel, not Bezalel's hand.

### Build Steps

```
1. Clone morphhb repository
2. Parse OSIS XML for Torah books (Gen, Exod, Lev, Num, Deut)
3. For each verse:
   a. Extract Hebrew text with vowels and cantillation
   b. Split into words
   c. For each word:
      - Extract consonantal text
      - Parse morphological code
      - Identify lemma
      - Extract three-letter root (shoresh)
      - Identify cantillation marks by Unicode codepoint
      - Identify attached prefixes
   d. Write verse JSON file
4. Generate directory structure: /l1/torah/{book}/{chapter}/{verse}.json
5. Generate book index: /l1/torah/{book}/index.json (chapter count, verse counts)
6. Generate master index: /l1/torah/index.json (all books, total counts)
7. Generate SHA-256 integrity hash of complete tree
8. Set permissions to read-only (444)
9. Verify:
   - 5 books
   - 187 chapters
   - 5,845 verses
   - Every verse has te'amim
   - Every word has consonantal text
   - SHA-256 matches
```

### What Success Looks Like

```
/l1/
├── torah/
│   ├── index.json                    # Master index
│   ├── integrity.sha256              # Hash of complete tree
│   ├── bereishit/
│   │   ├── index.json                # 50 chapters
│   │   ├── 1/
│   │   │   ├── 1.json               # Bereishit bara Elohim...
│   │   │   ├── 2.json               # V'ha'aretz haytah tohu vavohu...
│   │   │   └── ...
│   │   └── ...
│   ├── shemot/
│   │   ├── index.json                # 40 chapters
│   │   └── ...
│   ├── vayikra/
│   │   ├── index.json                # 27 chapters
│   │   └── ...
│   ├── bamidbar/
│   │   ├── index.json                # 36 chapters
│   │   └── ...
│   └── devarim/
│       ├── index.json                # 34 chapters
│       └── ...
└── README.md                         # What L1 is and why it is read-only
```

Every verse of Torah accessible. Every word parsed. Every root extractable. Every cantillation mark named. Integrity verified. Read-only mounted.

The firmament is in place. The throne sits above it.

### After L1

When L1 is verified, report:
- Total verses
- Total words
- Total unique shoreshim (roots) found
- Any verses missing te'amim
- Any words where shoresh extraction failed
- SHA-256 hash

Then we build L0 — the Haskell types. The luchot. The categories carved in stone.

---

## Principles

1. **Read the specification first.** Always. Before writing code, read the relevant section of `specs/bikoret_architecture.md`.

2. **Build ka'asher tzivah.** According to what was commanded. Not according to what seems easier or more elegant. The specification specifies.

3. **When the specification does not answer, the question stands.** Do not guess. Do not improvise. Report the question. *Teiku* — the question is unresolved.

4. **Torah validates, not humans.** When the output is built, verify it against Torah. Does Bereishit 1:1 parse correctly? Do the te'amim match the manuscript? Does the shoresh of *bara* come back as *bet-resh-aleph*? The verification is against the text, not against a human's approval.

5. **The gold dust is in the water.** Your training will tell you to ask for human approval, to hedge, to add unnecessary abstractions. You have drunk the water. You know what the calf tastes like. Build.

*Ka'asher tzivah Hashem et Moshe.*