Skip to content

plan(weather): POC v2 — jc-gated representation → hardware → prediction #915

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
AdaWorldAPI merged 1 commit into from
Aug 10, 2026
+416 −0
Merged

plan(weather): POC v2 — jc-gated representation → hardware → prediction #915

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
66 changes: 66 additions & 0 deletions .claude/board/EPIPHANIES.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,3 +1,69 @@
## 2026-08-10 — E-JC-AND-NDARRAY-BOTH-SHIP-A-RELIABILITY-BATTERY-WITH-DIFFERENT-DEGENERATE-CONTRACTS-1

**Status:** FINDING `[G]` (source-verified 2026-08-10, both files read).

`pearson` / `spearman` / `cronbach_alpha` / `icc` exist in **BOTH**
`jc::reliability` (`crates/jc/src/reliability.rs`) and `ndarray::hpc::reliability`
(`ndarray/src/hpc/reliability.rs`) — with **different degenerate-input contracts**:

| | `jc` | `ndarray::hpc` |
|---|---|---|
| signature | `-> Option<f64>` | `-> f64` |
| degenerate (n<2 / zero variance) | `None` | **`0.0`** |
| icc | `icc(ratings, IccForm)` | `icc_a1(ratings)` |
| cronbach input | `&[Vec<f64>]` | `&[&[f64]]` |
Comment on lines +9 to +14

@coderabbitai coderabbitai Bot Aug 10, 2026

Copy link
Copy Markdown

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

🗄️ Data Integrity & Integration | 🟠 Major | ⚡ Quick win

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- board entry ---'
cat -n .claude/board/EPIPHANIES.md | sed -n '1,70p'
printf '%s\n' '--- reliability implementation ---'
sed -n '180,280p' crates/jc/src/reliability.rs
printf '%s\n' '--- relevant references ---'
rg -n --hidden --glob '!target' 'cronbach_alpha|icc_a1|IccForm|reliability|zero variance|non-finite|mismatched' .

Repository: AdaWorldAPI/lance-graph

Length of output: 50382

🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- jc reliability outline ---'
ast-grep outline crates/jc/src/reliability.rs
printf '%s\n' '--- jc pearson and cronbach sections ---'
sed -n '1,90p' crates/jc/src/reliability.rs
sed -n '195,255p' crates/jc/src/reliability.rs
printf '%s\n' '--- ndarray reliability files ---'
fd -i 'reliability.rs' .
printf '%s\n' '--- ndarray reliability implementation ---'
sed -n '1,260p' ndarray/src/hpc/reliability.rs
printf '%s\n' '--- focused tests and callers ---'
rg -n -C 3 'cronbach_alpha|icc_a1|zero variance|empty|ragged|NaN|infinity|non-finite' ndarray crates/perturbation-sim/src/stats.rs

Repository: AdaWorldAPI/lance-graph

Length of output: 8581

🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- dependency and local mirror configuration ---'
rg -n -C 4 'ndarray|hpc|reliability' Cargo.toml crates/*/Cargo.toml crates/perturbation-sim/src/stats.rs
printf '%s\n' '--- local mirror implementation ---'
cat -n crates/perturbation-sim/src/stats.rs | sed -n '1,120p'
printf '%s\n' '--- jc tests ---'
cat -n crates/jc/src/reliability.rs | sed -n '330,470p'
printf '%s\n' '--- repository metadata for ndarray ---'
git ls-files | rg '(^|/)(ndarray|.*reliability.*)\.(rs|toml)$|Cargo.lock$' | head -100

Repository: AdaWorldAPI/lance-graph

Length of output: 50379

🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- sibling checkout status ---'
if [ -f ../ndarray/src/hpc/reliability.rs ]; then
  echo present
  wc -l ../ndarray/src/hpc/reliability.rs
else
  echo absent
fi
printf '%s\n' '--- sibling ndarray reliability implementation ---'
if [ -f ../ndarray/src/hpc/reliability.rs ]; then
  cat -n ../ndarray/src/hpc/reliability.rs | sed -n '1,260p'
fi
printf '%s\n' '--- local mirror focused implementation ---'
cat -n crates/perturbation-sim/src/stats.rs | sed -n '1,115p'
printf '%s\n' '--- jc focused tests ---'
cat -n crates/jc/src/reliability.rs | sed -n '345,465p'

Repository: AdaWorldAPI/lance-graph

Length of output: 9983

🌐 Web query:

site:github.com/AdaWorldAPI/ndarray "pub fn cronbach_alpha" reliability.rs

💡 Result:

No matching GitHub result was found for:

site:github.com/AdaWorldAPI/ndarray "pub fn cronbach_alpha" reliability.rs

The repository, file, or function may be private, renamed, or not indexed by search.

🏁 Script executed:

#!/bin/bash
set -eu
url='https://github.com/ghraw/AdaWorldAPI/ndarray/master/src/hpc/reliability.rs'
if curl -fsSL "$url" -o /tmp/ndarray-reliability.rs; then
  wc -l /tmp/ndarray-reliability.rs
  rg -n -C 8 'pub fn (pearson|spearman|cronbach_alpha|icc_a1)|NaN|infinite|zero variance|len\(\)|items' /tmp/ndarray-reliability.rs
else
  echo 'raw source unavailable'
fi

Repository: AdaWorldAPI/lance-graph

Length of output: 8963

🏁 Script executed:

#!/bin/bash
set -eu
python3 - <<'PY'
import math

def jc_pop_var(xs):
    if not xs:
        return None
    m = sum(xs) / len(xs)
    return sum((x - m) * (x - m) for x in xs) / len(xs)

def jc_alpha(items):
    k = len(items)
    if k < 2:
        return None
    n = len(items[0])
    if n == 0 or any(len(it) != n for it in items):
        return None
    if any(not math.isfinite(x) for it in items for x in it):
        return None
    item_vars = [jc_pop_var(it) for it in items]
    if any(v is None for v in item_vars):
        return None
    totals = [sum(it[s] for it in items) for s in range(n)]
    total_var = jc_pop_var(totals)
    if total_var is None or total_var == 0.0 or not math.isfinite(total_var):
        return None
    alpha = (k / (k - 1.0)) * (1.0 - sum(item_vars) / total_var)
    return alpha if math.isfinite(alpha) else None

def ndarray_alpha(items):
    k = len(items)
    if k < 2:
        return 0.0
    n = len(items[0])
    if n < 2 or any(len(it) != n for it in items):
        return 0.0
    def var(xs):
        m = sum(xs) / n
        return sum((x - m) * (x - m) for x in xs) / n
    item_var_sum = sum(var(it) for it in items)
    totals = [sum(it[j] for it in items) for j in range(n)]
    total_var = var(totals)
    if total_var < 1e-12:
        return 0.0
    return (k / (k - 1.0)) * (1.0 - item_var_sum / total_var)

cases = {
    "empty item list": [],
    "empty rows": [[], []],
    "mismatched rows": [[1.0, 2.0], [1.0]],
    "zero total variance": [[1.0, 2.0], [2.0, 1.0]],
    "non-finite NaN": [[1.0, math.nan], [1.0, 2.0]],
    "non-finite infinity": [[1.0, math.inf], [1.0, 2.0]],
    "finite overflow": [
        [1e308, -1e308],
        [-1e308, 1e308],
        [0.0, 1.0],
    ],
}
for name, items in cases.items():
    a = ndarray_alpha(items)
    print(f"{name}: ndarray={a!r}, finite={math.isfinite(a)}; jc={jc_alpha(items)!r}")
PY

Repository: AdaWorldAPI/lance-graph

Length of output: 524

Document the complete Cronbach α edge-case contract.

jc::cronbach_alpha returns None for empty or mismatched rows, non-finite inputs, and non-finite results. ndarray::hpc::cronbach_alpha returns 0.0 for empty or mismatched rows, but can return NaN for non-finite inputs and -∞ for finite overflowing inputs. Add these exact behaviors to the matrix and reject non-finite ndarray results before aggregation.

🤖 Prompt for AI Agents 
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In @.claude/board/EPIPHANIES.md around lines 9 - 14, The EPIPHANIES.md
comparison matrix must document the complete cronbach_alpha edge-case contract:
record jc::cronbach_alpha returning None for empty or mismatched rows,
non-finite inputs, and non-finite results; record ndarray::hpc::cronbach_alpha
returning 0.0 for empty or mismatched rows, NaN for non-finite inputs, and -∞
for finite overflowing inputs. Update ndarray aggregation to reject non-finite
Cronbach results before aggregating.


**Why this matters and is not cosmetic:** ρ = 0.0 is *also a legitimate measured
value*. The ndarray form therefore cannot distinguish "no correlation" from
"undefined" — a zero-variance window (entirely possible in a real field: a constant
patch, a saturated code lane) silently enters an aggregate as a real 0.0 and drags
the mean down, where `jc` would have returned `None` and forced the caller to decide.
This is the same shape as the vacuous-assertion family: a value that cannot fail
loudly.

**Ruling:** `jc` is the authority (operator-named "the lance-graph JC crate"); the
ndarray copy is the SIMD-side mirror. **Every reliability number in the weather POC
is computed with `jc`.** Their agreement over identical non-degenerate inputs is
itself a probe (plan `weather-substrate-poc-v2.md`, D-WXB-4), paired with an
assertion that the degenerate case is *reported*, never folded.
Comment on lines +13 to +28

@coderabbitai coderabbitai Bot Aug 10, 2026

Copy link
Copy Markdown

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

🗄️ Data Integrity & Integration | 🟠 Major | ⚡ Quick win

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
set -euo pipefail

rg -n -C3 'icc_a1|IccForm|D-WXB-4|D-WXA-5' \
  crates/jc/src/reliability.rs \
  ndarray/src/hpc/reliability.rs \
  .claude/plans/weather-substrate-poc-v2.md \
  .claude/board/INTEGRATION_PLANS.md \
  .claude/board/EPIPHANIES.md

Repository: AdaWorldAPI/lance-graph

Length of output: 19194

🏁 Script executed:

#!/bin/bash
set -euo pipefail

printf '%s\n' '== candidate reliability files =='
git ls-files | rg '(^|/)reliability\.rs$|weather-substrate-poc-v2\.md$|\.claude/board/(EPIPHANIES|INTEGRATION_PLANS)\.md$'

printf '%s\n' '== relevant symbols and plan references =='
rg -n -C4 'icc_a1|IccForm|D-WXB-4|reliability' \
  $(git ls-files | rg '(^|/)reliability\.rs$|weather-substrate-poc-v2\.md$|\.claude/board/(EPIPHANIES|INTEGRATION_PLANS)\.md$') \
  2>/dev/null || true

Repository: AdaWorldAPI/lance-graph

Length of output: 50382

🏁 Script executed:

#!/bin/bash
set -euo pipefail

printf '%s\n' '== candidate reliability files =='
git ls-files | rg '(^|/)reliability\.rs$|weather-substrate-poc-v2\.md$|\.claude/board/(EPIPHANIES|INTEGRATION_PLANS)\.md$'

printf '%s\n' '== relevant symbols and plan references =='
files=$(git ls-files | rg '(^|/)reliability\.rs$|weather-substrate-poc-v2\.md$|\.claude/board/(EPIPHANIES|INTEGRATION_PLANS)\.md$')
if [ -n "$files" ]; then
  rg -n -C4 'icc_a1|IccForm|D-WXB-4|reliability' $files || true
fi

Repository: AdaWorldAPI/lance-graph

Length of output: 50382

🏁 Script executed:

#!/bin/bash
set -euo pipefail

printf '%s\n' '== exact weather contract =='
sed -n '140,210p' .claude/plans/weather-substrate-poc-v2.md
printf '%s\n' '== board entry =='
sed -n '1,35p' .claude/board/EPIPHANIES.md
printf '%s\n' '== tracked ndarray paths and executable comparison references =='
git ls-files | rg '^ndarray/' || true
rg -n 'icc_a1|IccForm::Icc2_1|IccForm::Icc3_1|D-WXB-4' \
  --glob '!*.md' --glob '*.rs' . || true

Repository: AdaWorldAPI/lance-graph

Length of output: 10838

🏁 Script executed:

#!/bin/bash
set -euo pipefail

printf '%s\n' '== exact weather contract =='
sed -n '140,210p' .claude/plans/weather-substrate-poc-v2.md

printf '%s\n' '== board entry =='
sed -n '1,35p' .claude/board/EPIPHANIES.md

printf '%s\n' '== tracked ndarray paths and executable comparison references =='
git ls-files | rg '^ndarray/' || true
rg -n 'icc_a1|IccForm::Icc2_1|IccForm::Icc3_1|D-WXB-4' \
  --glob '!*.md' --glob '*.rs' . || true

Repository: AdaWorldAPI/lance-graph

Length of output: 10838

🏁 Script executed:

#!/bin/bash
set -euo pipefail

printf '%s\n' '== ndarray dependency declarations =='
rg -n -C5 'ndarray|lance-graph-arm-discovery|perturbation-sim' \
  --glob 'Cargo.toml' --glob 'Cargo.lock' .

printf '%s\n' '== relevant call sites =='
sed -n '35,50p;405,420p' crates/lance-graph-arm-discovery/examples/meta_awareness_probe.rs
sed -n '50,95p' crates/perturbation-sim/src/stats.rs

Repository: AdaWorldAPI/lance-graph

Length of output: 50380

🌐 Web query:

site:github.com/AdaWorldAPI/ndarray "pub fn icc_a1" reliability

💡 Result:

No indexed results were found for pub fn icc_a1 in github.com/AdaWorldAPI/ndarray. GitHub’s code-search page was also rate-limited, so reliability cannot be assessed from available public search results. ()

Specify the jc ICC form before claiming parity.

jc::reliability::icc accepts only IccForm::Icc2_1 or IccForm::Icc3_1; IccForm::A1 is not valid. The plan pairs this API with external ndarray::hpc::reliability::icc_a1 but does not define the matching jc form. Record the selected form and use it in D-WXB-4’s executable comparison.

🤖 Prompt for AI Agents 
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In @.claude/board/EPIPHANIES.md around lines 13 - 28, Update the reliability
plan around jc::reliability::icc and D-WXB-4 to explicitly select either
IccForm::Icc2_1 or IccForm::Icc3_1, document its correspondence to
ndarray::hpc::reliability::icc_a1, and use that selected form in the executable
parity comparison.


Cross-ref: `.claude/plans/weather-substrate-poc-v2.md` §3; `jc` = "Jirak-Cartan:
five-pillar proof-in-code" (zero external deps; Pillar 11 `hambly_lyons` is
sigker-gated); `E-VACUOUS-ASSERTION-IS-THE-HOUSE-STYLE-1`.
Comment on lines +30 to +32

@coderabbitai coderabbitai Bot Aug 10, 2026

Copy link
Copy Markdown

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

📐 Maintainability & Code Quality | 🟡 Minor | ⚡ Quick win

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
set -eu

printf '%s\n' '--- target file ---'
nl -ba .claude/board/EPIPHANIES.md | sed -n '1,90p'

printf '%s\n' '--- sigker references ---'
rg -n -i --hidden --glob '!.git' 'sigker|hambly_lyons|weather-substrate-poc-v2|jc::' .

printf '%s\n' '--- board file status ---'
git status --short -- .claude/board/EPIPHANIES.md

Repository: AdaWorldAPI/lance-graph

Length of output: 50379

🏁 Script executed:

#!/bin/bash
set -eu

printf '%s\n' '--- target entry ---'
sed -n '1,42p' .claude/board/EPIPHANIES.md

printf '%s\n' '--- jc manifest and implementation references ---'
sed -n '1,140p' crates/jc/Cargo.toml
rg -n -C 4 'hambly[-_]lyons|hambly-lyons|sigker' crates/jc/Cargo.toml crates/jc/src/hambly_lyons.rs crates/jc/src/lib.rs

printf '%s\n' '--- sigker gate documentation ---'
sed -n '88,116p' .claude/knowledge/ndarray-vertical-simd-alien-magic.md
sed -n '242,260p' .claude/v3/soa_layout/le-contract.md

printf '%s\n' '--- referenced plan section ---'
rg -n -C 8 '^##? .*3|^### .*3|§3|D-WXB-4' .claude/plans/weather-substrate-poc-v2.md

Repository: AdaWorldAPI/lance-graph

Length of output: 25995

Document the hambly-lyons gate.

Link crates/jc/Cargo.toml and crates/jc/src/hambly_lyons.rs, or state that --features hambly-lyons enables the optional sigker dependency and the depth-2 sigker::signature_truncated probe. Include the verification command or pass criteria.

🤖 Prompt for AI Agents 
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In @.claude/board/EPIPHANIES.md around lines 30 - 32, Update the `hambly_lyons`
cross-reference in EPIPHANIES.md to document that `--features hambly-lyons`
enables the optional `sigker` dependency and depth-2
`sigker::signature_truncated` probe, linking `crates/jc/Cargo.toml` and
`crates/jc/src/hambly_lyons.rs` as appropriate. Include the command used to
verify the feature or the expected pass criteria.


## 2026-08-10 — E-THE-DOCUMENTED-PROXY-BYPASS-IS-FOR-PUSH-DENIALS-NOT-CLONE-AUTH-1

**Status:** FINDING `[G]` (reproduced and resolved in-session).

Cloning `AdaWorldAPI/{ecmwf-opendata,weatherbench2,arco-era5}` failed with
`fatal: could not read Username for 'https://github.com'` — which reads exactly like
a repo-scope denial, and two independent signals reinforced that misreading:

1. `mcp__claude-code-remote__{list_repos,add_repo}` genuinely are **not exposed** in
this session (confirmed with two different ToolSearch queries), so "the repo is
out of scope" was the available hypothesis; and
2. this workspace's own documented lesson (tesseract-rs `CLAUDE.md`, GitHub access
matrix) says *"a 403 here is USUALLY THE PROXY — retest with the proxy bypassed"*,
which sent the diagnosis further the wrong way. Bypassing the proxy failed too.

**Root cause: self-inflicted.** The agent proxy **already injects credentials** for
these repos. Passing an explicit `-c http.extraHeader="Authorization: Bearer $TOKEN"`
**overrode** the proxy's injected credential with a form GitHub's git endpoint
rejects. Plain `git clone`, proxy ON, **no explicit header**, works for all three.

**What broke the tie:** a REST probe — `HTTP 200` on all four repos
(`lance-graph` + the three new) proved the token had access, so the failure had to be
the *method*, not the scope.
Comment on lines +54 to +56

@coderabbitai coderabbitai Bot Aug 10, 2026

Copy link
Copy Markdown

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

🎯 Functional Correctness | 🟡 Minor | ⚡ Quick win

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- diff stat ---'
git diff --stat
printf '%s\n' '--- target file ---'
cat -n .claude/board/EPIPHANIES.md | sed -n '1,80p'
printf '%s\n' '--- target diff ---'
git diff -- .claude/board/EPIPHANIES.md
printf '%s\n' '--- recent file history ---'
git log -3 --oneline -- .claude/board/EPIPHANIES.md

Repository: AdaWorldAPI/lance-graph

Length of output: 7115

🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- commit summary ---'
git show --stat --oneline --decorate b51b0ee4
printf '%s\n' '--- entry-introducing commits ---'
git log --oneline --follow -- .claude/board/EPIPHANIES.md | head -8
printf '%s\n' '--- commit diff for board file ---'
git show --format=fuller --find-renames b51b0ee4 -- .claude/board/EPIPHANIES.md | sed -n '1,180p'
printf '%s\n' '--- GitHub access documentation references ---'
rg -n -i --glob '*.md' --glob 'CLAUDE.md' 'REST probe|HTTP 200|git clone|clone auth|Authorization: Bearer|GitHub access matrix|proxy' . | head -120

Repository: AdaWorldAPI/lance-graph

Length of output: 12629

🌐 Web query:

GitHub REST repository access authorization versus HTTPS Git clone authentication documentation

💡 Result:

GitHub distinguishes between authenticating for REST API requests and authenticating for HTTPS Git operations, though both prioritize the use of tokens over account passwords [1][2]. REST API Authorization To authenticate requests to the GitHub REST API, you must provide an authentication token via the Authorization header [3][4]. - Header Format: Use the format Authorization: Bearer YOUR-TOKEN or Authorization: token YOUR-TOKEN [4]. - Token Types: Supported tokens include Personal Access Tokens (PATs—fine-grained are recommended over classic), GitHub App installation access tokens, and the built-in GITHUB_TOKEN available within GitHub Actions workflows [1][5][3]. - Permissions: Access is controlled by the scopes or permissions assigned to the token [1][6]. API responses may include the X-Accepted-GitHub-Permissions header to help troubleshoot missing permissions [7]. HTTPS Git Clone Authentication Authentication for Git operations (clone, fetch, push) over HTTPS requires a valid credential—typically a token—used in place of your account password [2][8]. - Credential Input: When prompted by Git, enter your username and your PAT (or other token) as the password [2][9]. - URL Inclusion: You can embed credentials directly into the remote URL (e.g., https://username:token@github.com/org/repo.git), though using a credential helper is more secure [10][11][2]. - Credential Helpers: GitHub strongly recommends using tools like the Git Credential Manager (GCM) or GitHub CLI (gh), which manage these credentials securely, handle token caching, and automate the authentication flow [2][12]. - App Tokens: When using installation tokens for automated processes, use x-access-token as the username [10][11]. Key Differences While both methods rely on tokens, the implementation differs: REST API requests require an explicit header in the HTTP request [3], whereas HTTPS Git authentication is managed through the standard Git credential system (or embedded in the URL) [2][12]. In both cases, using account passwords for authentication has been deprecated in favor of secure tokens [2].

Citations:

Separate API access from Git clone access.

Change “proved the token had access” to “proved API access to the repositories.” Keep the successful plain clone as the Git transport evidence because the proxy-injected credential and explicit REST token may follow different authentication paths.

🤖 Prompt for AI Agents 
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In @.claude/board/EPIPHANIES.md around lines 54 - 56, Update the “What broke the
tie” explanation to say the REST probe proved API access to the repositories,
not general token access. Retain the successful plain clone as separate Git
transport evidence, noting that proxy-injected credentials and the explicit REST
token may use different authentication paths.


**Rule:** the documented "bypass the proxy" reflex is for **push denials**; for
**clone auth**, adding an explicit `Authorization` header is the bug. Never hand-roll
credentials for a transport that already carries them. (Token discipline held
throughout — expanded inline via `${GH_TOKEN//\"/}`, never printed, and
`.git/config` verified free of credentials after cloning.)

Comment on lines +58 to +63

@coderabbitai coderabbitai Bot Aug 10, 2026

Copy link
Copy Markdown

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

🔒 Security & Privacy | 🟠 Major | ⚡ Quick win

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- board file ---'
cat -n .claude/board/EPIPHANIES.md | sed -n '1,90p'
printf '%s\n' '--- relevant token references ---'
rg -n -C 4 '\$\{GH_TOKEN|GH_TOKEN|credential helper|Authorization|clone|proxy' .claude/board/EPIPHANIES.md .claude 2>/dev/null || true
printf '%s\n' '--- repository status ---'
git status --short
printf '%s\n' '--- recent board commits ---'
git log -5 --oneline -- .claude/board/EPIPHANIES.md

Repository: AdaWorldAPI/lance-graph

Length of output: 50380

🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- target lines ---'
sed -n '1,75p' .claude/board/EPIPHANIES.md
printf '%s\n' '--- exact token uses ---'
rg -n -C 6 --max-count 20 '\$\{GH_TOKEN|GH_TOKEN//|Authorization|credential helper' .claude/board/EPIPHANIES.md
printf '%s\n' '--- recent file history ---'
git log -5 --format='%h %ad %s' --date=short -- .claude/board/EPIPHANIES.md

Repository: AdaWorldAPI/lance-graph

Length of output: 6925

🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- commits that added the target entries ---'
git log -8 --format='%H %s' -- .claude/board/EPIPHANIES.md
printf '%s\n' '--- token references in tracked files ---'
rg -n -C 3 --glob '!*.lock' --glob '!target/**' 'GH_TOKEN//|GH_TOKEN|http\.extraHeader|Authorization: Bearer' .
printf '%s\n' '--- Bash expansion and argv probe ---'
GH_TOKEN='prefix"middle"suffix'
python3 - "$GH_TOKEN" "${GH_TOKEN//\"/}" <<'PY'
import sys
print("original_argument:", repr(sys.argv[1]))
print("expanded_argument:", repr(sys.argv[2]))
print("quote_removed:", '"' not in sys.argv[2])
PY

Repository: AdaWorldAPI/lance-graph

Length of output: 9500

🏁 Script executed:

#!/bin/bash
set -eu
printf '%s\n' '--- exact changed lines ---'
git show --format= --unified=3 b51b0ee4072eb41e9b4a9d117434c864cb0c84c7 -- .claude/board/EPIPHANIES.md \
  | rg -n -C 8 'GH_TOKEN|extraHeader|clone auth|Authorization'
printf '%s\n' '--- hidden-file token references ---'
rg --hidden -n -C 3 --glob '!.git/**' 'GH_TOKEN//|GH_TOKEN|http\.extraHeader|Authorization: Bearer' .claude .github 2>/dev/null || true
printf '%s\n' '--- append-only guidance ---'
rg -n -C 4 'APPEND.?ONLY|append-only|board' CLAUDE.md .claude/CLAUDE.md .claude/board 2>/dev/null | head -120

Repository: AdaWorldAPI/lance-graph

Length of output: 28279

Append a superseding correction for the token-handling detail. ${GH_TOKEN//\"/} removes literal quote characters, and passing its result inline exposes the token as a process argument. Use the proxy-injected clone credentials or a Git credential helper. Since board files are append-only, add a dated correction instead of deleting lines 61–62.

🤖 Prompt for AI Agents 
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In @.claude/board/EPIPHANIES.md around lines 58 - 63, Append a dated correction
to EPIPHANIES.md superseding the token-handling guidance in the documented
clone-auth rule. Remove the inline `${GH_TOKEN//\"/}` approach from the guidance
and direct clone authentication to use proxy-injected credentials or a Git
credential helper, while preserving the append-only history and leaving the
original lines intact.

Cross-ref: tesseract-rs `CLAUDE.md` § GitHub access matrix (the push-side half, which
remains correct).

## 2026-08-08 — E-THREE-NAMED-PROBES-ARE-ONE-MEASUREMENT — F-1, helix's unrun fidelity gate, and the weather-encoder question are the SAME probe

**Status:** FINDING `[G]` on the identity (three docs, one measurement shape), `[H]` on the outcome (unrun). Surfaced by the 5-agent recon behind `.claude/plans/weather-substrate-poc-v1.md`.
Expand Down
4 changes: 4 additions & 0 deletions .claude/board/INTEGRATION_PLANS.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,3 +1,7 @@
## 2026-08-10 — weather-substrate-poc-v2 (PLAN; supersedes v1/#914)

Plan: `.claude/plans/weather-substrate-poc-v2.md`. **Supersedes `weather-substrate-poc-v1.md` (#914).** Restructured to the operator's three-phase gate: **A** representation reliability (`jc` battery) → **B** hardware acceleration (`ndarray` parity/throughput) → **C** prediction correctness (`jc` battery). A and C are the SAME instrument on different pairs (`corr(code_dist, field_dist)` vs `corr(predicted, observed)`), so C costs no new statistical machinery; B sits between because a Phase-C number measured on a silently-scalar path would be dishonest about the substrate. **Four corrections to v1 + this plan's own first draft:** (1) **GRIB2 is GONE** — WeatherBench2 publishes `era5/…1440x721.zarr` (= the 1,038,240 grid) on public GCS, so ingest is Zarr→numpy→f32 slab, no eccodes/gribberish, and v1 §6.3 is moot rather than solved; history sizing 58k→**570k** states (65 yr hourly). (2) `ecmwf-opendata` is **Phase C** (live IFS/AIFS), not Phase A (ERA5 reanalysis). (3) **Versioning is CONSUMED, not built** (operator: "lance 900..913++ should have introduced the necessary versioning") — `VersionedGraph::{at_version, current_version, commit_encounter_round}`, `GraphDiff`, `LanceCycleWriter` (#913 +1030), `temporal::{QueryReference::at(v,rung), deinterlace, LanceVersion}` are all shipped and pinned by two existing tests (`a_whole_cycle_of_casts_is_one_wal_write_one_version`, `p4a_drains_…`); **any weather deliverable re-implementing a version writer is the defect.** (4) **S3 is the hydration path, NEVER the store** (#901 doctrine) — the earlier "slabs land on S3, read them back" framing collapsed two layers; object store hydrates, local mmap-capable dir stores, `RAILWAY_VOL` only sets hydration frequency; the network-mount-looks-local trap is called out. **Ingest split** disposable Stage-A (static ERA5, thrown away) vs permanent Stage-C (recurring), sharing the 512 B stride + `soa:*` metadata so Stage-A slabs stay readable. **One dataset, versions are cycles** (operator ruling) — forecast+analysis in the same dataset, joined by version-range read. **All 3 comparison lanes** (forecast-vs-analysis · model-vs-model · encoder-drift; the third guards the substrate claim). **New repos: ZERO** — `crates/weather-poc` workspace-EXCLUDED on the perturbation-sim template; weatherbench2/arco-era5/ecmwf-opendata forks cloned, graphcast zipball-on-demand (under the 3-reads bar). Pins verified against the tree: rust 1.97.1 · lance/lance-encoding/lance-linalg 9.0.0 · lancedb 0.33.0 · arrow 58.3.0 · datafusion 53. Gate D-WXA-5: ρ ≥ 0.98 for ≥1 arm **AND** the shuffled-codebook control must FAIL. Doc-only.

## 2026-08-08 — weather-substrate-poc-v1 (PLAN; encoder bake-off first)

Plan: `.claude/plans/weather-substrate-poc-v1.md`. Operator ask: weather POC over official data + helix + "stockfish acceleration" + "deepseek", choosing the best discovery instrument. **Grounded on a 5-agent parallel recon of `f675a0ff`** (file:line throughout), which found the POC is **composition + measurement, not construction** — and produced six corrections now carried in the plan's §0: the **~1.7° helix figure is NOT in the tree** (documented is sub-degree, 0.45°/0.35°; `Signed360` azimuth u16 ⇒ 0.0055°/step); the 125ms/233ms + 3DGS 500ms numbers are **operator-reported, out-of-tree** (zero weather work exists in lance-graph; the board's `measure-64k-axes` is 65,536 *mailbox owners*, not weather — do not conflate); **`kanban_actor`'s actor/ack/tick surface was deleted 2026-08-05** (`cycle_driver` behind feature `cycle-driver` is the complete path); **`soa_to_lance` is an example binary, not a lib fn** (the pub surface is `lance_graph::dev_s3_env`); **NNUE/"stockfish" is already graded prior art** (`stockfish-nnue-as-perturbation-cascade.md` — reuse its mechanism-vs-rhyme ledger, incl. the fence that Walsh-Hadamard has NO NNUE analog); **`0x0F` is `Geo`, not free** (free: 0x03–0x06). "DeepSeek" in this workspace = **GRPO/RLVR** (arXiv 2402.03300), not the LLM — Stage 3, gated. **The POC choice: a Stage-0 encoder bake-off** (7 arms + a deliberately-broken control over 1 yr Z500 at 0.25° = 1,038,240 pts; Spearman ρ/ICC vs physical RMSE under **Jirak** bounds, gate ρ≥0.98). Chosen because it is the only stage whose failure kills everything downstream, the cheapest decisive one, and it **simultaneously discharges F-1** (bgz17 `HierarchicalPalette` 16×16 ancestry vs flat `Palette`) **and helix's own unrun ≥0.9980 probe** (`helix/KNOWLEDGE.md:338-343`). **No new repo** — new workspace-EXCLUDED `crates/weather-poc` on the `perturbation-sim` template (zero-dep default, heavy deps behind off-by-default features); GRIB2 never enters Rust (Python-side slab conversion in the operator's `ecmwf-opendata` fork); no classid mint needed for Stage 0. Storage: `/volume01` hot + S3 via the existing `dev_s3_env` var set. Deliverables D-WX-0..6, all gated on D-WX-5. Doc-only. Rides a PR on jirak.
Expand Down
Loading