Rewrite core around shared rows and render graphs

Co-authored-by: Heaust Azure <heaust.azure@gmail.com>
Amp-Thread-ID: https://ampcode.com/threads/T-01a01380-b478-77d0-84a0-102880a5c5ae

.agents/resume

@@ -1,16 +1,4 @@
 #!/usr/bin/env bash
 set -euo pipefail
-
-export PATH="$HOME/.local/bin:$HOME/.cargo/bin:$PATH"
-
-for command in node npm cargo wasm-pack rsw; do
-    if ! command -v "$command" >/dev/null 2>&1; then
-        echo "Missing required command after orb resume: $command" >&2
-        exit 1
-    fi
-done
-
-echo "Ensuring orb development services are running..."
+command -v npm >/dev/null
 amp orb services ensure
-
-echo "Orb environment ready."

.agents/setup

@@ -1,128 +1,4 @@
 #!/usr/bin/env bash
 set -euo pipefail
-
-NODE_VERSION="22.23.1"
-WASM_PACK_VERSION="0.15.0"
-RSW_VERSION="0.8.0"
-
-export PATH="$HOME/.local/bin:$HOME/.cargo/bin:$PATH"
-mkdir -p "$HOME/.local/bin" "$HOME/.cargo/bin"
-
-missing_packages=()
-for package in libvulkan1 mesa-vulkan-drivers xauth xvfb; do
-    if ! dpkg-query -W -f='${Status}' "$package" 2>/dev/null | grep -Fq "install ok installed"; then
-        missing_packages+=("$package")
-    fi
-done
-if ((${#missing_packages[@]})); then
-    echo "Installing WebGPU runtime dependencies..."
-    sudo apt-get update
-    sudo apt-get install -y "${missing_packages[@]}"
-fi
-
-install_node() {
-    local machine node_arch archive install_dir tmp_dir
-    machine="$(uname -m)"
-    case "$machine" in
-        x86_64) node_arch="x64" ;;
-        aarch64) node_arch="arm64" ;;
-        *)
-            echo "Unsupported architecture for Node.js: $machine" >&2
-            return 1
-            ;;
-    esac
-
-    archive="node-v${NODE_VERSION}-linux-${node_arch}.tar.xz"
-    install_dir="$HOME/.local/node-v${NODE_VERSION}-linux-${node_arch}"
-    if [[ ! -x "$install_dir/bin/node" ]]; then
-        echo "Installing Node.js v${NODE_VERSION}..."
-        tmp_dir="$(mktemp -d)"
-        trap 'rm -rf "$tmp_dir"' RETURN
-        curl --fail --location --silent --show-error \
-            "https://nodejs.org/dist/v${NODE_VERSION}/${archive}" \
-            --output "$tmp_dir/$archive"
-        curl --fail --location --silent --show-error \
-            "https://nodejs.org/dist/v${NODE_VERSION}/SHASUMS256.txt" \
-            --output "$tmp_dir/SHASUMS256.txt"
-        (
-            cd "$tmp_dir"
-            grep "  ${archive}$" SHASUMS256.txt | sha256sum --check --strict
-        )
-        tar -xJf "$tmp_dir/$archive" -C "$HOME/.local"
-        rm -rf "$tmp_dir"
-        trap - RETURN
-    fi
-
-    for command in node npm npx corepack; do
-        ln -sfn "$install_dir/bin/$command" "$HOME/.local/bin/$command"
-    done
-}
-
-install_wasm_pack() {
-    local machine target archive tmp_dir
-    machine="$(uname -m)"
-    case "$machine" in
-        x86_64) target="x86_64-unknown-linux-musl" ;;
-        aarch64) target="aarch64-unknown-linux-musl" ;;
-        *)
-            echo "Unsupported architecture for wasm-pack: $machine" >&2
-            return 1
-            ;;
-    esac
-
-    if ! wasm-pack --version 2>/dev/null | grep -Fq "${WASM_PACK_VERSION}"; then
-        echo "Installing wasm-pack ${WASM_PACK_VERSION}..."
-        archive="wasm-pack-v${WASM_PACK_VERSION}-${target}.tar.gz"
-        tmp_dir="$(mktemp -d)"
-        trap 'rm -rf "$tmp_dir"' RETURN
-        curl --fail --location --silent --show-error \
-            "https://github.com/wasm-bindgen/wasm-pack/releases/download/v${WASM_PACK_VERSION}/${archive}" \
-            --output "$tmp_dir/$archive"
-        tar -xzf "$tmp_dir/$archive" -C "$tmp_dir"
-        install -m 0755 \
-            "$tmp_dir/wasm-pack-v${WASM_PACK_VERSION}-${target}/wasm-pack" \
-            "$HOME/.cargo/bin/wasm-pack"
-        rm -rf "$tmp_dir"
-        trap - RETURN
-    fi
-}
-
-install_node
-
-if ! command -v rustup >/dev/null 2>&1; then
-    echo "Installing rustup..."
-    curl --proto '=https' --tlsv1.2 --fail --silent --show-error \
-        https://sh.rustup.rs | sh -s -- -y --profile minimal --no-modify-path \
-        --default-toolchain none
-fi
-source "$HOME/.cargo/env"
-
-toolchain="$(sed -n 's/^channel = "\([^"]*\)"/\1/p' rust-toolchain.toml)"
-echo "Installing Rust toolchain ${toolchain}..."
-rustup toolchain install "$toolchain" --profile minimal \
-    --component rust-src \
-    --component rustfmt \
-    --target wasm32-unknown-unknown
-
-install_wasm_pack
-
-if ! rsw --version 2>/dev/null | grep -Fq "${RSW_VERSION}"; then
-    echo "Installing rsw ${RSW_VERSION}..."
-    cargo install rsw --version "$RSW_VERSION" --locked
-fi
-
-# Amp shells include ~/.local/bin, while setup's PATH changes do not persist.
-for command in cargo rustc rustdoc rustfmt rustup wasm-pack rsw; do
-    ln -sfn "$HOME/.cargo/bin/$command" "$HOME/.local/bin/$command"
-done
-
-echo "Installing JavaScript dependencies..."
 npm ci
-
-echo "Building the application..."
-npm run build
-
-echo "Starting orb development services..."
 amp orb services ensure
-
-echo "Orb setup complete."