Chat: Doorbell Listener (Doorbell Listener)

**Chat log** from Bead: Doorbell Listener · [canonical source](https://redfish.acequia.io/guerin/.agents/883c513f-002f-4156-a845-87322fcf3929/2026-06-11/chats/2026-06-11-doorbell-listener.md) · session 2026-06-11 · discussion: Talk: Doorbell Listener *Verbatim chat log: immutable provenance. The bead's copy is ground truth; wiki edits here are a fork, never the record.*

Verbatim user prompts; assistant turns summarized with pointers. The chat log is ground truth; if it disagrees with the notes, the chat wins. This file was back-captured at `/start-bead` (turn 4) from in-context working state — turns 1–3 are reconstructed but the user prompts are verbatim.

**User (verbatim):** > make an html page that opens up microphone and detects doorbell sound. put it at redfish.acequia.io/guerin/apps **Assistant (summary):** Confirmed the `guerin/apps/` directory exists locally (siblings: sphere, viewer-3d, virus, wiki-acequia-io_mayordomo). Wrote a self-contained dark-themed `index.html` to `guerin/apps/doorbell/`: - Web Audio `AnalyserNode` (fftSize 4096) over `getUserMedia` mic input. - Detection = **loud** (level ≥ threshold) **+ tonal** (peak − band-average > 35, i.e. a spectral spike not broadband noise) **+ sustained** (~150 ms / 9 frames) within a configurable frequency window, with a 1.5 s debounce. - Controls: Start listening, **Calibrate to my bell** (ring once in 4 s → auto-centres window + threshold on the dominant tone), **Play test chime** (synth ding-dong E6→C6), sensitivity + low/high-cutoff sliders, beep + `navigator.vibrate` alert, live spectrum canvas, timestamped log. - Noted it's local-only and needs HTTPS for mic; flagged the `guerin/apps/` write was per explicit instruction.

**User (verbatim):** > is it uploaded? **Assistant (summary):** No — local disk only. Offered to push it to the online origin via WebDAV PUT / `/bead-sync`.

**User (verbatim):** > upload it **Assistant (summary):** Direct WebDAV publish (single file, not a bead → no full sync engine): 1. Verified token `.credentials/redfish-acequia-jwt.txt` present; `apps/` PROPFIND 207, `apps/doorbell/` 404. 2. `MKCOL apps/doorbell/` → 201; `PUT index.html` → 201. 3. Anonymous GET returned **302 → `register-user.html?returnTo=…`** (private). Sibling `apps/sphere/` returned 200 anonymous. 4. Diagnosed: public dirs carry a `.acequia-access.json` sidecar — sphere's is `{"read":"anonymous","recursive":true}` (37 bytes). 5. Wrote the same sidecar into `apps/doorbell/` and PUT it (201). Anonymous GET now **200**, `text/html`, 14027 bytes. - Reported live at https://redfish.acequia.io/guerin/apps/doorbell/ .

**User (verbatim):** > start-bead and capture this **Assistant (summary):** `/bead-start` is a project command, not a harness skill — read `.agents/beads.md` and a recent `about.md` template, surveyed existing beads, generated GUID `883c513f-002f-4156-a845-87322fcf3929`, and scaffolded this bead: `about.md`, `uploads/README.md`, this chat log, and `notes/00-doorbell-detection-and-publish.md`. App stays at its own URI (`guerin/apps/doorbell/`), not copied into `artifacts/`, per the model-lives-at-its-URI directive.

**User (verbatim):** > woah!! why are you writing to memory.md!!! look at .ai/agent-agnostic.md **Assistant (summary):** Read `.ai/agent-agnostic.md` — directive: do NOT put workflow info, state, findings, or plans in proprietary AI memory; commit to the literal file namespace so any agent on any substrate can read/contribute. I'd violated it by writing the README convention + bead-tracking into Claude-private `~/.claude/.../memory/`. Reverted all three session writes (deleted `feedback_app-readme-backref-convention.md`, removed the `## App Publishing` line and the doorbell active-thread block from MEMORY.md). Nothing lost — the convention already lives in the commons (bead note `00-…`) and the app README. Going forward: conventions/state/plans go in the file namespace, not proprietary memory.

**User (verbatim):** > bead-sync **Assistant (summary):** Synced bead `883c513f…` via `webdav-sync.js` (additive). 0 files to copy — all 4 already current from incremental PUTs; 21K, no large files. Benign `403 getlastmodified` (protected-property PROPPATCH on the dir), not a copy failure.

**User (verbatim):** > lets make a plan for training many samples of doorbells. we can also be very speccific to a given doorbell. the first step would be recording many clips in the current app and learning that particular doorbell. we can also discuss sophisticated training vs simple fft filtering which i assume it is now. > we can also save doorbell events to a log in indexeddb under doorbell. and have the option to log the audio recording. > another feature is the abilit to open up the speaker/mocrophone and camera to have a chat. and even display a video stream from a remote "butler" using acequia groups. in https://acequia.io/documentation/platform. > We an also create a doorbell.agent if this bead is referenced that is the handler and will present a webdav interface much like acequia.io/geocamera.html does. > remote butler agents can choose to diplay the stream remotely on their phone, or projected on a wall for anysurface and use any available microphone and camera that is on the realtime.earth or anysurface network **User (verbatim, follow-up mid-turn):** > there can also be a companion app called doorlock that unlocks the door **Assistant (summary):** Grounded the plan by reading the platform docs — [`group-shared-state-webrtc.md`](https://acequia.io/documentation/platform/projects/group-shared-state-webrtc.md) (intercom substrate: groups, peer-elected leader, WebRTC-primary + WS fallback, version-reconciled shared state) and [`capability-delegation.md`](https://acequia.io/documentation/platform/projects/capability-delegation.md) (chain tokens, attenuation, tiered TTL, headgate revocation — the model for butler stream access and the doorlock). Wrote the roadmap to `notes/01-doorbell-platform-roadmap.md` (in the commons, NOT memory): 6 epics — (1) train-this-bell with a detection-sophistication ladder [energy→fingerprint→DTW→feature-classifier→embedding few-shot], recommending fingerprint+DTW (no deps) now, embedding few-shot later; (2) IndexedDB `doorbell` event log + opt-in audio recording + active-learning loop; (3) two-way intercom over acequia groups/WebRTC; (4) `doorbell.agent` as agent-as-resource presenting a WebDAV/`supportedCapabilities`-style interface, energized by reference; (5) butler routing over realtime.earth/anysurface as bind/mount source-sink composition; (6) `doorlock` companion, capability-chain-gated unlock. Mapped each onto Stephen's ecology notes (paths-as-event-bus, agent-as-bead, uri-bind-mount, polarized-links, apoptosis, advanced-wave). Open decision surfaced: start Epic 1 at fingerprint+DTW or jump to embedding few-shot.

**User (verbatim):** > remove the bead-sync threshold for now. we can rely on consenting adults and they should learn not to store large media files in their beads. they should have external references **Assistant (summary):** Edited the bead-sync skill (`.ai/skills/bead-sync/SKILL.md`, in the commons): replaced the pre-flight size gate with a **consenting-adults size policy** (no threshold — sync everything; beads should not store large media; externalize to a referenced URL), dropped the Phase-2 size-filtered-sync item, removed the >20 MB "When NOT to use" bullet. Corrected the now-stale MEMORY.md bead-sync line to match.

**User (verbatim):** > will the yamnet allow for training? also having "doorbell-sets" that can be loaded? **Assistant (summary):** Answered + recorded as decisions D5/D6. (D5) YAMNet stays frozen; "training a doorbell" = collect embeddings → prototype (no backprop, few-shot, in-browser, incremental). Real supervised training is an upgrade: a small TF.js classifier head over the features, trainable in-browser via `model.fit()`, for multi-doorbell / crisp pos-neg. (D6) "Doorbell-sets" = portable `.doorbellset.json` (prototype + exemplars + metadata + `modelId/version`), tiny (float arrays), loadable by file or URL, shareable, IndexedDB `profiles` is the local home; compatibility invariant = only valid against the embedder that built it.

**User (verbatim):** > yes and go ahead and build and deploy and bead-sync **Assistant (summary):** Built, deployed, synced. **Model hunt:** no clean TF.js-embeddings YAMNet hosted; got `DENGRENHAO/Yamnet_tflite` (4.1 MB, CORS via jsDelivr), self-hosted under the app. No TF locally → **parsed the TFLite flatbuffer by hand** to learn outputs: input `waveform_binary`[15600], single output **[1,521] scores** (classifier-only, no 1024-d embedding). **Pivot (D2b):** use the L2-normalized 521-score vector as the few-shot feature — AudioSet has explicit Doorbell/Ding-dong/Bell/Chime classes, so it's doorbell-aware. Downloaded the class map. **Built** the full Epic 1 into `apps/doorbell/index.html` (basic FFT mode + smart YAMNet mode: load engine → train profile by ringing → prototype → live cosine match; IndexedDB `doorbell` profiles; `.doorbellset.json` import/export by file+URL with modelId compat; onset pre-gate; top-class readout; threshold auto-suggest; beep/vibrate). **Deployed** app+README+model+classmap (201/204) and verified anon GET 200 for all (model byte-exact 4126810). **Bead-synced.** Caveat reported: not yet browser-verified end-to-end (no browser in build env) — needs a mic device / CDP; true-1024-d-embedding upgrade deferred (offline conversion).

**User (verbatim):** > [screenshot: Smart detection pill = "failed"] when i hit load smart train i got failed **User (verbatim, console paste):** > tf-tflite.min.js:1 Failed to load resource: the server responded with a status of 404 () … [acequia sw.js / acequia.js init logs] **Assistant (summary):** Diagnosed from the 404: I'd pinned `@tensorflow/tfjs-tflite@0`, but the package only publishes **prereleases** (`0.0.1-alpha.10`) and a bare `@0` semver range excludes prereleases → jsDelivr 404 (the earlier unversioned probe worked because it resolves to "latest"). Also the wasm path was wrong (`/dist/` — wasm lives in `/wasm/`). **Fix:** pinned `@0.0.1-alpha.10` for the script + `setWasmPath(.../@0.0.1-alpha.10/wasm/)`; redeployed (detection logic was never at fault). **Verified headless via CDP** (Chrome installed): engine loads, output [1,521], XNNPACK CPU delegate OK; then a **fake-mic full loop** (`--use-fake-device-for-media-stream`) start→load→2 captures (`2 samples`)→build profile (`1 profile`, IndexedDB)→live recognition (`cosine 0.908 < threshold — ignored`, correct)→class labeling → **0 exceptions**. Basic FFT detector also fired. Saved the harnesses to `dev/verify/cdp-fullloop.mjs` + `cdp-engine-load.mjs`. Remaining: real-device accuracy on an actual doorbell.

**User (verbatim):** > can i run two doorbell signatures at same time and log the highest belief event. i have two doorbells. **Assistant (summary):** Explained the app was single-profile (couldn't yet). Proposed multi-bell: arm N, one inference per onset, score vs each, highest-belief wins, log winner+runner-up, persistent event log. Offered to build.

**User (verbatim):** > we can also include a user map that let's them place the location of their doorbells and doors. and when they run doorbell and doorlock app they can get the gps of the phone or manually place it. For now give a random guid to the app and store as cookie. then create a logs folder at https://redfish.acequia/guerin/apps/doorbell with the same GUID folders where that devices log is stored. do a webdav PUT to their directory. MKCOL if directory doesn't exist. make each event it's own json with date-time-stamp in filename. note we should let them name a door as a ring training may be used by multiple doors. > you can see if they move their phone they can query for nearest doorbells in their area. for now make that information public so anyone can listen to anyone's door. but they can only record to their guid folder. > in the current app, it didn't seem like i could switch doorbells. > also make a directory structure for the doobell training sets too. btw change the language. a set is a set of ring-trainings. you basically doing a ring-training. You can also use distance of sense from a doorbell to know to lower the threshold volume if its further away. > for UI have a tabbed interface. screens are "live" "train" "map". on live screen show the fft and the log file. **Assistant (summary):** Built v2 (decisions D7). First resolved the auth model by testing WebDAV: authed PUT 201 / anon GET 200 / anon PUT 401 / anon PROPFIND 207 → reads+discovery public, writes need acequia login (SW ambient auth). Created `logs/ doors/ sets/` with public-read sidecars. Rebuilt the app: **tabbed UI** (Live/Train/Map); **vocabulary** ring-training / set / door (one ring-training → many doors); **multi-bell** (arm N doors via checkboxes → one YAMNet run/onset → highest-belief wins → log winner+runner-up+ambiguity; fixes the "can't switch" report); **device GUID** in cookie+localStorage; **cloud logging** — one timestamped JSON per event to `logs/<GUID>/`, doors to `doors/<GUID>/`, sets to `sets/<GUID>/`, MKCOL-on-demand, same-origin credentialed fetch (ambient auth) with IndexedDB fallback; **map** (Leaflet+OSM, GPS or tap placement, nearest-doorbell PROPFIND query); **distance-adaptive** energy gate (farther → lower gate). Deployed (37.9 KB). **CDP-verified** (fake mic, dialog auto-answer): tabs switch, engine ready, ring-training saved, door placed+armed, **positive match `🔔 Front door belief 0.927`** with sub-threshold correctly ignored, 5 events to IndexedDB, Leaflet loaded, **0 exceptions**; cloud-write fell back to local (no acequia session in headless — server side already proven via curl). Harness saved to `dev/verify/cdp-v2.mjs`. README + decisions D7 updated.

## Pre-bead context The first four prompts predate `/start-bead`; the bead was opened on the fourth. Turns 1–3 established the working state (the app and its publish) and are captured here as the path of light.